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Taking a Look at the Aswan Dam
Assignment #2
The Aswan dam was constructed as a direct response to the rapid population growth within Egypt during that time. With a population of 26 million by
the time construction began on the dam, the government of Egypt was worried about food and energy demands. The dams original thought was to
provide power and expand available water supplies outside of the flooding season to allow for higher agricultural yields. The construction of the dam
also thought to carry some secondary effect with it, such as additional fishing grounds and channels for navigation. It was believed that the additional
energy production would also drive down the price of electricity, making it more affordable. A major aspect of the dam project was thereservoir to hold
the floodwaters and control the release rate. However, the creation of the reservoir flooded a large upper land area requiring the relocation of over
50,000 Nubian residents. The relocating of residents because of dam construction is fairly common, as over ten million residents of China of had to
relocate as a result of dams, 1.5 million for the three gorges dam alone. The relocation of the Nubians did have a positive effect over time as their
infectious disease rate dropped. Although the relocation did leave them unhappy as they were moved further into the desert. The reservoir also
negatively impacted archaeological sites in the area, as they were flooded over. The reservoir it self was predicted by some scientists that
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The Gorges Dam, The World 's Largest Power Station
The Three Gorges Dam, the world's largest power station, is a hydroelectric dam that distances the Yangtze River located in China. Dams could be built
for many reasons, including flood control, irrigation, and sedimentation control. Construction for the dam started in 1992 after many repeated
discussions and arguments took place. The Chinese people are keeping a close watch on the Three Gorges Dam, and many people in other countries are
keeping an eye on it as well. Unfortunately, with a project as big as this, many problems come along with it. The Chinese government dismissed many
warnings from environmentalists that said that the project has the potential of being, "one of China's biggest environmental nightmares" (Hvistendahl).
The Chinese government officials have been defending the $24 billion project and only see it as a huge source for renewable power and as a way to
prevent floods. The dam generates over 18,000 megawatts of power, which is eight times more than the Hoover Dam on the Colorado River. Wang
Xaiofeng, who oversees the project, admitted that the dam had many "hidden dangers". The government realized that what the biologists and
environmentalists were saying was more than true. Building an enormous hydropower dam where it is heavily populated is a threat to the people that
live there and the animals that inhabit the area.
When the project was first being started in 1992, people were forced to relocate to make room for the project. People on the banks of the
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The Impact Of Hydroelectricity Production On Its Future Trend
Abstract
This report outlines the present situation of hydroelectricity production in China and speculates on its future trend. By analysing three sets of data, it
investigates the reasons for the significant development of hydroelectricity in China and provides comparisons between different countries and
different kinds of fuel. It concludes by looking at the support offered by the government and the major reason behind this. It also suggests that the
generation of hydroelectricity in China will keep growing and will relieve the air pollution issue.
Introduction
With the high–speed economic development and the incredible growth in human population around the world, electricity demand has increased rapidly
(Zarfl et al., 2015). As a fast growing country with the largest population in the world, the electricity generation in China nearly doubled between 2005
and 2011 (U.S. Energy Information Administration, 2014). In order to narrow the gap between electricity generation and consumption and, on the other
hand, alleviate the environment problems mainly caused by fossil fuel, China has encouraged more investment in renewable energy (Ibid).
Hydroelectricity has become the most important renewable resource as China has a large amount of hydroelectric power potential (Ibid). The word
"hydroelectric" relates to "the generation of electricity using flowing water to drive a turbine which powers a generator" (Oxford Dictionaries online,
2015). Electricity produced by using
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Considering the water quality, the total wastewater...
Considering the water quality, the total wastewater discharged into the reservoir–reach amounts to 1.2 billion tons annually (Wang, 2002). TGP does
not generate pollution itself but it will aggravate the pollution belts, because of higher water level and slower velocity. The Chinese government
decided that all the industrial pollutants must be treated to reach the (official) discharge standards by 2000. A number of small enterprises that
discharge heavy pollution, such as paper mills, have already closed down, and the central government will invest a large sum to build a series of large
wastewater treatment plants in Chongqing City, Wanxian City, Fuling City and Yichang City. In addition, the catchment management,
pre–impoundment clearing ... Show more content on Helpwriting.net ...
A program of artificial reproduction of endemic fish species has been performed for more than a decade. For plant species conservation, a program has
been initiated recently to conserve three more endangered species, Rhamnus tzekweiensis, Buxus ichangensis, and Plantago erosa var. fengdouensis
(Zhang, 2011). Consequently, the efforts have also been shifted to the preservation of regional ecosystems with consideration of typical vegetation
types (e.g., evergreen forests) and rare and endangered species in the region. An ecosystem conservation network has been developed in the TGRR
including Dalaoling (Yichuang City,Hubei Province), Longmuhe (Xinshan County, Hubei Province), Shiping (Fengdu County, Chongqing), and
Wushan (Wushan County, Chongq– ing) (Zhang. 2011).
7Conclusion
This paper takes the Three Gorges Dam Program as an example to introduce the process of EIA, emphasizing on the impact and mitigation these two
phases during the allover management. Among several analysis methods, we focus on the Cost–Benefit Analysis (CBA) methods to evaluate the
affects of the TGD on the environmental and ecological system.
Although people benefit from the TGD a lot, the negative impacts of the TGD also cannot be ignored and should be considered seriously and
thoroughly, which include
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In the beginning of the construction of the Three Gorges...
In the beginning of the construction of the Three Gorges Dam, there were several problems. There were several protestors and opinions about the dam
before the Three Gorges Dam project was even started.1 China has had history of several dam failures in the mid–1970s that were responsible for
thousands of deaths. The three gorges (Xiling, Wu, and Qutang) have scenery that is a tourist attraction.2 Thedam was going to be a little over 600 feet
tall, 7500 feet wide, and hold over 97 trillion gallons of water. Because of all of the population increase, China started using coal power plants1 and
shipping, which causes acid rain over the region making the Yangtze River is one of the most polluted rivers in the world.4 It does not help ... Show
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Relocating farmers and having them uproot everything they worked hard for. They were forced to work in the city for industries or grow a different
crop then what they were used to growing.3 China also need to increase its electrical power to keep up with the increase in population and industries.1
About 20% of the world's electricity is from large dams. The Three Gorges Dam is not only the largest dam2; it is also the largest power plant in the
world4 because of the dams 26 turbines for hydroelectricity.1 The Three Gorges Dam would help by producing 18.2 million KW output. The power
generated from the dam will be self–sustaining and the energy saved will soon profit from the dam after it is paid for.4 Water for agriculture and
human consumption usually vary on the fluctuation of the Yangtze River. The dam provided access to the water continuously.1 The Three Gorges
Dam had the potential to benefit China essentially in safety, health, and quality of life. Analysis of the dam shows that it was not in compliance with
The World Commission on Dams (also known as the WCD). The World Commission on Dams priorities for their guidelines on dams are as followed:
Gaining Public Acceptance, Comprehensive Options Assessment (such as Environmental, Social, Health, and Cultural impacts, Life Cycle assessment,
And greenhouse gas emissions), Addressing Existing Dams (such as Improving reservoir Operations), Sustaining Rivers and Livelihoods (such as
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Alternative Energy Sources For Renewable Energy
Renewable energy has become a widely popular topic in society. With the rapid depletion of fossil fuels, scientist are looking to natural and
renewable resources to create a means to produce sustainable energy. There are many alternative energy sources that have proven useful in the past
couple of years. Some of the alternative energy sources are not only more useful than others but have proven to be easier to attain and also prove to
create a more substantial amount of energy. Today, the most widely used form ofrenewable energy is hydroelectric energy. Making up 20 percent of
global electricity generation, hydroelectric energy is crucial in the production of electrical power and sustaining the environment.
How It Works
Hydroelectric energy is produced through the use of falling or flowing water. Large amounts of water usually contained in dams flow through a
passageway called a penstock. In order for the water to fall and flow into a penstock the dam must be built on a large body of water with a large drop in
elevation. After flowing through the penstock the water intake rushes through and forcefully turns a turbine propeller. Connected to the turbine
propeller is a shaft. The shaft continues out of the water and connects to a generator and a powerhouse. The generator thus produces electricity into the
powerhouse and ultimately into surrounding homes and buildings in proximity to the dam. The water then continues to flow into the major body of
water from which it came and
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How Did China Build The Three Gorges Dam
In August of 1975 a horrible tragedy struck China. The Banqiao dam, burst resulting in water flooding through the city. Not only did the Banqiao
dam, burst but 60 dams as well. People were struggling to survive (Qing xv). However, some were not so lucky. An estimated amount of about
100,000 people were killed (Qing xv)). In hopes to rebuild China, the Three Gorges dam project was announced. The Three Gorges dam project was
first brought up around the 1920's, by Sun Yet–sen (Hessler 2). "After Sun's death, in 1925, the vision was kept alive by dictators and revolutionaries,
occupiers and developers, all of whom saw the project as an important step in modernizing the nation" (Hessler 3). However economic problems
affected the building process. The authors state that the purpose of the dam was "to control floods, generate power, improve navigation and supply
water" (Duan and Wilmsen 1). There ... Show more content on Helpwriting.net ...
Even though they were trying to help nation by building the Three Gorges dam, they hurt some of the people in the process. The process would have
been able to move a lot smother if an actual set plan was made. China ran into a few road blocks along the way which including the environmental
safety, money problems as well as relocation issues. The nation was very last minute in placing people to relocate. Even though the people started to
adjust to their new surroundings, the Three Gorges Dam was a very risky project that could have ended badly. During the project, the government
spoke out stating that they had "to question the substantial human and environmental costs of the project" (Gleick 10). Large projects that may have
costly effects to a Nation need to be taken in to great consideration before the commencement of the project. A discussion with the government is
crucial when deciding if the project is worth it. The Three Gorges dam has been a success, so far, but that does not mean it was the best
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Essay about The Damming of the Yangtze River
The Damming of the Yangtze River
Since the 1920's, when the dam was first proposed, the Three Gorges Dam has been a topic for debate in the People's Republic of China. The
construction of the world's largest hydro–electric project on the Yangtze River would be a detriment to the nativeflora and fauna, submerge rich
farmlands, destroy archaeological sites, and force the evacuation of millions of people. Faced with international, as well as domestic, criticism about
the ecological and social havoc the Three Gorges Dam would cause, the government of China has remained unnerved and has started construction on
this highly questionable project. In December of 1995, Chinese Premier Li Peng officially launched the project at a construction ... Show more content
on Helpwriting.net ...
The reason for such an enormous hydro–electric project, China contends, is to generate up to 18,000MW of power for China's energy hungry
industrial centers (obviously not the hundreds of factories and businesses that will be submerged), transform the Yangtze River into a more navigable
waterway, and to protect the middle and lower reaches of the river from disastrous floods (Probe International). However, would the environmental and
social cost of the Three Gorges Dam make it a feasible project?
The man–made sea created by the dam would submerge important archaeological sites, some dating as far back as the Paleolithic Age. Thousands of
invaluable relics, ancient burial sites, 200,00 year old fossils, and new information of a little known, obscure people known as the Ba will be lost
(Topping, 1996). Even though $37.5 million has been "earmarked for the rescue of archaeological sites threatened by the dam's construction"
(Childs–Johnson, 1996), only "ten to twenty percent of these treasures could be saved." (Topping, 1996). Estimates range from $180 million to $360
million to save ten percent of the most important sites and monuments. The Chinese government is expecting these archaeologists to do work that
normally requires hundreds of years within ten years. There is simply not enough money or manpower to salvage many of these invaluable cultural
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Essay On Atheng Gao
Early in his career Li Si showed an earnest desire to contribute to the ongoing moral government. Sima Qian wrote, "Zheng Gao, a man of Hann,
came to cause dissension in Qin through the construction of drainage and irrigation channels" (25). It is well known that water control through
engineering has always been a major concern and responsibility of the Chinese government. Irresponsible use of water could lead to crops flooding,
mudslides that are capable of destroying villages, widespread hunger, which could possibly lead to a revolt and an overall collapse of the
government. Therefore, it is both reasonable and wise for the King of Qin to invest in bringing in a specialist to lead the construction of such a
crucial job. However, Qian included the opinions of both the bitter employees, who worked on the project, and the aristocrats who were angered by
the choice of bringing in a foreigner to organize and oversee such a task (Dawson 147).... Show more content on Helpwriting.net ...
Li Si wrote to the King outlining the numerous economical, tactical, societal and historical benefits that the foreigners brought to the Empire. The King
was persuaded by Si's argument and foreigners, including him, were allowed to remain within the Empire (Qian 26–27). By unifying the defeated
states, the King promoted Si to a higher office due to his helpful insight. This is an example of him utilizing the Confucian concept of Ren; "The Ren
person is one who, wishing himself to be settled in position, sets up others; wishing himself to have access to the powerful, achieves access for others"
(3–30). He used his influential position in the government to help others which was a catalyst to his own
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The Three Gorges Of The Yangtze River In China
At first I'll have a brief introduction of Yangtze River, the Yangtze River, the biggest river in China, the third longest in the World, starts with the
Tuotuo River at the Roof of the World–Qinghai–Tibet Plateau, takes in countless rivers, and flows eastward across the interior of China. With an
overall length of more than 6,300 kilometers, the Yangtze River, next only to the Amazon and the Nile, is the third biggest river in the world and is a
cradle that breeds the ancient civilization of the Chinese nation.
When the Yangtze River reaches the eastern Sichuan Basin in southwest China, it cuts through the Wushan Mountain. Here the river course suddenly
narrows and the waters become turbulent. Sheer cliffs and steep mountains rise on either side, creating one of nature's most fantastic sights. The Three
Gorges–––Qutang, Wuxia and Xiling––––start just after Fengjie and end near Yichang, stretch about 200 kilometers. The Gorges vary from 300metres
at their widest to less than 100 meters at their narrowest.
Qutang Gorge is the smallest and shortest Gorge, but grandest of the three. The Yangtze River, mighty and rapid here is suddenly contained like "a
thousand seas poured into one cup", as the Song Dynasty poet SU Tungpo described the spectacle. High on the both bank, at a place called Bellows
Gorge, are a series of crevices. This area is said to have been the home of an ancient tribe whose custom was to place the coffins of their crevices,
some containing bronze swords,
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Hydro Electric Power
Hydroelectric power: The World's Established Renewable Energy Resource For over a century, hydroelectric power has been used to generate
electricity from falling water. The capacity to produce this energy is dependent on both the available flow and the height from which it falls.
Hydroelectric dams create height for the water to fall and provide storage. In general, the higher the dam, the more potential energy is available.
Building up behind a high dam, water accumulates potential energy. The potential energy is then converted to kinetic energy where it can perform
work to power a generator. Hydroelectric power can come in many forms, such as utilizing oceanic waves and currents, shoreline waves, and tidal
energy. However, I would... Show more content on Helpwriting.net ...
Industries and product processing are able to utilize the water stored by reservoirs. Reservoirs alls provide for recreational activities, which can
boost local economies. Dams can minimize the risk of flooding by reducing the peak flows and providing more time for downstream notification.
Conversely, the storage of water in reservoirs can also pose a great risk to nearby communities in the event that the dam integrity fails. The most
environmentally damaging aspect of reservoirs is habitat loss. A river habitat is very different from a reservoir habitat. The flooding of a river
system to create a reservoir destroys forests, human habitat, spawning routes, and animal habitats. Suspended soils, logs and debris may settle out of
the water as it slows down. Shoreline erosion can increase the sediment load and increase turbidity of the water. Sedimentation, if left unchecked, can
leave a dam rendered useless. Sedimentation and habitat loss are not nearly the worst result of reservoir production. Methyl mercury levels in aquatic
life can be an important potential impact of reservoirs. When soil and vegetation are submerged they decompose. Inorganic mercury may then be
converted to methyl mercury where it is more likely to be consumed by organisms where it may concentrate as it moves up the food chain. This affect
is not permanent however, and is only due to the initial flooding of the
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Case Study: The Three Gorges Dam Project
Case Study of the Three Gorgers Dam Project Case study of the Three Gorgers Dam Project What does the project say about the public policy process
in China? The approval of the Three Gorges Project marked an end to a long period of controversy in the Chinese leadership. The government attempted
to end the debates but encountered stiff opposition. The Chinese government has received substantial financial support in favor of the project. Several
construction contracts are already in progress. This project is used to display how an ambitious enterprise can be tainted by debates and lack of
transparencies, unfair labor conditions, and authoritarian decision making in China. Throughout the debates about the project in China,
environmentalists have mounted numerous challenges and objections. However, top government officials have given these challenges little attention
particularly the prime minister who is focused and determined to ensure that the project succeeds. The success of the project places the country at the
top position of being an emerging superpower (Heggelun, 2004). What public policy theories best explain the development and implementation of the
Three Gorgers Dam project? There are several theories that describe the possible unrealized expectations with negative impact on population's health.
For instance, future unrealistic expectations may be a preparation for changes in life but may create subsequent problems of distress during
adjustments. This is explained
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Itaipu Dam : The Seven Wonders Of The Modern World
The design and construction of project Itaipu Dam has a huge impact on the economy of Brazil and Paraguay and it also helps to reduce the tension
between the two countries. Itaipu Dam is the largest hydroelectric power plant in the world with its length of 7,919 meters and a height of 196 meters.
It is located on the border between Paraguay and Brazil, from Foz do IguaГ§u and Ciudad del Este to GuaГra and Salto del GuairГЎ. The power plant
uses the ParanГЎ River as its source for producing energy which is one of the world's biggest river with the length of 4,880 km. The Dam was named
after an island which was near the construction site. It means "the sounding stone" in Paraguayan language. The power plant has an installed generation
capacity of 14GW and 20 generating units with the capacity of 700–750 MW. Most of this energy is consumed by Brazil and the dam can supply
almost the 87% of the electricity which is needed in Paraguay. In 2016, the power plant produced the energy of 103,098,366 megawatt hours, which
became a new world record. In 1994, Itaipu Dam was chosen to be One of the Seven Wonders of the Modern World by The American Society of Civil
Engineers.
Brazil's population was growing very fast in the 1960s and the government understood that if they do not search for more energy sources and cannot
provide enough energy, they will face a huge problem. It was a logical idea to use the existent water resources in the country. When the engineers
wanted to find these water
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Essay On Stability Of River Banks
The practicality of determining the critical height for the stability of a slope is significantly relevant to the current day, as many riverbanks face these
problems of instability and overpopulation has led to more civilisations becoming at risk of mass failure. Ultimate failure of a mass of soil is currently
the most important threat to the long term stability of the Three Gorges dam (the largest dam in the world) and the 6300 km long Yangtze river, where
up to 41.1% of the river basin area suffers from soil erosion problems (People's Daily Online, 2001). Slope stability is a largely researched topic and
numerous models, failure mechanisms and parameters have been explored, however the analyses of river banks subject to the presence of ... Show more
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Only recently, the presence of pre–existing cracks (Utili, 2013) and cracks forming as part of the failure mechanism (Michalowski, 2013) have been
included in a semi–analytical approach for the quantitative assessment of slope stability based on the kinematic approach of limit analysis. The
determination of the critical height for which failure of the river bank takes place is the most important feature. The topic researched has significant
practical relevance to the real world because through determining estimates of the critical height, it leads us one step further in mitigating slope failure
and protecting nearby infrastructure.
3.1 Methods 3.1.1 Limit Analysis
The method of limit analysis is used within this paper (Chen, 1975) as it allows a semi–analytical solution to be achieved. This is used to run a
parametric analysis in order to investigate the stability of river banks for a range of values of ground tensile strength and under various hydraulic
conditions.
Within this study, the kinematic approach of limit analysis provides rigorous upper bounds to the true collapse value for values of engineering interest
of internal friction angle, inclination of the slope, pore water pressure and the height ratio (h/H) of the vertical part of the bank over the total bank
height. In
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Essay on The Three Gorges Dam
The Three Gorges Dam
The Three Gorges Dam is an unfinished project which will be the largest dam ever constructed on the planet Earth. It is situated in China on the third
largest river in the world – the Yangtze. The dam has been debated over since the 1919 and is still a hot topic of debate because of its many pros and
cons. In 1994 construction began on the dam, and it is expected to be finished by the year 2009. The massive dimensions of the dam are mind
boggling and its functions – if the dam actually works – are truly remarkable; however, with such a large structure also comes difficulties, sacrifices,
and cynics. The goal of this essay is to lend an understanding of the dam itself, the prospective benefits of ... Show more content on Helpwriting.net ...
"The Three Gorges Dam will be the largest hydropower station and dam in the world, with a 1.2 mile stretch of concrete and a 370 mile–long reservoir
and 525 feet deep."[4] To put that into understandable dimensions it will be the length of the Golden Gate Bridge, and twice as tall. "The reservoir
created by the backflow of the dam will extend 360 miles up river to Chongqing, a distance equal to nearly half the length of California."[5] So what
is the point of this monstrosity? The major prospective benefits will be power generation, flood control, and increased navigability of the Yangtze
River. Many people debate whether these attributes will actually be as beneficial as builders expect. Thedrawbacks of the dam are its flood plain and
the effects of the flood plain, environmental damage, resettlement, historical and cultural loss, and the ideas of speculators about whether or not some
of the dam's abilities are true.
The dam is expected to produce approximately 18.2 million kilowatts of energy per year which will greatly benefit the power needs of central China.
The largest validation of the dam is this property – power generation. These 18.2 million kilowatts "generated from its 26 700–megawatt turbine
generators, equals the energy produced by 18 nuclear plants or the burning of 40 million tons of coal."[6] The amount of power produced will
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Three Gorges Dam Research Paper
The purpose of this letter is to inform this company about the negative impacts The Three Gorges Dam has on China. The Three Gorges Dam does not
appear to outweigh the costs because of the amount of people having to be relocated,lower water levels, and the loss of many ancient artifacts. Some
people might argue that the Three Gorges Dam is good because it improves navigation, advances electricity, and controls floods but the negative
impacts are more harmful to China's future. Along with the hardships that are brought along with the dam China had to relocate many people and lose
almost 100,00 acres of land. These citizens had very good land to live on but when the construction of the dam began they were ordered to move to a
new place.The land ... Show more content on Helpwriting.net ...
Over 1,000 sites and artifacts were lost or submerged under the water. One of the most famous items that were buried was the Giant Buddha
Statue. According to an Excerpt from the Great Wall Across the Yangtze it says, "A massive sculpture of the seated Buddha rests in the yellowish
sandstone cliffs at Single Pebble Village just east of Chongqing. When the tide is high, the statue's base is flooded, and there are watermarks
indicating various water levels on the Buddha's feet, legs, and lower belly." Due to all this flooding this ancient statue might be lost if it is not lifted
out of the water. According to the article Flood Control some individuals might argue that there is no need to worry about artifacts but that is
incorrect. If many of the artifacts are lost, the future generations of China will never have a primary learning experience of these items. They will not
have pictures of the artifacts, just words to describe them. Imagine how the children will perish from not knowing their past. Another famous artifact
that has been lost due to the flooding is the temple from the Ming Temple. This temple is called the Shibaozhai Temple. According an excerpt from
Great Wall Across the Yangtze it states, " Called the "Pearl of the Yangtze," the 12 story wooden pagoda rises to a height of 183 feet. An
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The Prospects Of Melting Arctic Ice Caps And The...
It's the 21st century and global warming is making the headlines in newspapers, radio talk shows, new outlets and even popular TV shows. The
prospects of melting arctic ice caps and the consequences of climate change are primary dangers that are capturing worldwide attention however, could
this just be the tip of the iceberg for something far greater? Globalization, defined as the process of integration through interaction between individuals,
corporations and governments. It is essentially impossible for a community to live and sustain itself within a vacuum; interactions through trade and
foreign relations allow for discourse amongst nations causing mutual influences in politics, economics and culture. Although this undertaking has
exponentially increased with the increase in information technology, it has been prevalent throughout history. Amongst the world's regions,East Asia
has been exposed to this process the longest as Europe has looked to the East for external resources when early civilizations expanded their geographic
and political boundaries. With the effect of globalization on the region, EastAsia opened up its borders to the migration of goods, services, information
and people. In the 19th century, countries such as China, Japan, and Korea that were attributed to being the "Far East" not only because they were
geographic distant from Europe but also culturally exotic. However, present day they are dominant world leaders because they gained economic stability
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Three Gorges Dam Pros And Cons
The Three Gorges Dam has many costs and benefits which can make it arduous to oppose or support it (Stone, "Three Gorges Dam: Into the
Unknown", 2008). Weighing the pros and cons and finding a marginal offset can determine which side to opt for. The ecological, economic, and social
impacts are some of the most consequential factors which means they should be viewed meticulously. When looking at the costs and benefits it can be
concluded that the costs outweigh the benefits. Supporting the dam has too many costs and that is why it must be opposed. Let's put our focus on the
ecological cons. The fish can't go down the river all the way. In addition, it creates a lake which then creates too many nutrients. When too many
nutrients build up (like algae) it causes species such as fish to ... Show more content on Helpwriting.net ...
This causes smaller aquatic fish to die off, and this eventually causes bigger aquatic fish who rely on consuming the smaller aquatic fish to die (Jobin,
"Dams and Disease"). Before one knows it, a domino effect has occurred. Aquatic ecosystem services are even affected because they die from too many
nutrients. Ecosystems can't thrive without these ecosystem services because they tend the ecosystem such as caring for plants, et cetera (Newell, "The
Globalization and Environment Reader").
Habitat changes will occur as well due to the effect of building the Three Gorges Dam. When water levels increase it can affect the way plants grow
because plants grow at different depths of a body of water. Different fish live at different levels of water as well, which can offset their habitats
(Power, Dietrich, & Finlay, "Dams and downstream aquatic biodiversity: Potential food web consequences of hydrologic and geomorphic change",
1996). The new habitats formed aren't even recognizable because they ate such vast changes. Algae will have conquered the entire upper area of the
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Essay about Three Gorges Dam in China: The Benefits of...
Why would you not want to solve a world problem? There are many problems affecting the world today, and one of the biggest ones is pollution.
China is trying to do their part by constructing hydroelectric dams like the Three Gorges Dam. The topic is extremely controversial, because while
the dams create energy the rising water levels have forced people to move and artifacts to be destroyed. I strongly believe that China should build
more hydroelectric dams, and I feel it is my duty to persuade that even though it will destroy many valuable things the benefit will be far greater than
the consequences.
There are so many reason china should build more hydroelectric dams, but the most important is the reason the Three Gorges Dam was built in ... Show
more content on Helpwriting.net ...
The amount of trade will cause the economy to explode in all of its wealth. This will also increase the quality of life for the Chinese and then they
will have more money to spend on imports and as a result the world economy will grow. As you can see here thedam isn't just an energy source it's a
gold mine.
The water that the Three Gorges Dam contains will also benefit the country. Every year China's monsoons hurt China with massive amounts of
flooding. The Three Gorges Dam can hold water back keeping it from flooding and taking lives. In the last flood fewer people died, because of the
dam. Three Gorges can also use the water it collected in the floods to help people out during the dry season. The water the dam holds also helps it
keep generate electricity even when it doesn't rain for long periods. This way farmers crops won't wither and die. The water the dam holds also helps
it keep generate electricity even when it doesn't rain for long periods. So with all the lives Three Gorges could save and the food it can help produce,
why wouldn't you want to build it?
So more hydroelectric dams will lead to more clean energy, a stronger economy, and it even helps out when nature is at its worst. So why wouldn't you
want to build it. Sadly, there are some that argue that the dam would destroy artifacts, and some of the Chinese well–being. Though I really wouldn't
worry about the artifacts. The Chinese's government set aside 125 million dollars
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Hydroelectric Power Technology and its Effects on the...
For centuries, scientists and energy experts from all over the world have been making efforts to look for alternative resources in order to solve human
being's energy crisis. Consequently, a great number of renewable energy source have been discovered, including solar power, nuclear power,
wind–generated power and hydroelectric power. This essay aims at giving some basic knowledge on hydroelectric power technology with focuses on
its impacts on environment. Firstly, a brief introduction of hydroelectricity will be given, followed by some discussions regarding its effects on
environment, then a conclusion will be drawn based on the discussions and some recommendations for the future at the end.
Hydroelectricity is a renewable energy ... Show more content on Helpwriting.net ...
Moreover, it helped reduce carbon dioxide by 190 million tonnes, sulfur dioxide by 2.29 million tonnes, and nitrogen oxides by 980,000 tonnes.
(Ramaraochetlapalli 2013). Another advantage of a hydroelectricity water storage dam is that it be used as a source of drinking water and for
recreational purposes such as boating and fishing. Reservoirs created by hydroelectric schemes often provide facilities for water sports and become
tourist attractions themselves. In some countries, aquaculture in reservoirs is common. Multi–use dams installed for irrigation support agriculture with
a relatively constant water supply. Large hydro dams can control floods, which would otherwise affect people living downstream of the project
Despite all the advantages of implementing hydroelectric technology, building hydroelectricity dams can be a fetal threat to local wildlife animals.
First of all, reservoir water is usually more stagnant than normal river waters; as a result, reservoir will contain higher amounts of nutrients and
sediment in which an excess of algae and other aquatic weed can be cultivated. Subsequently, the lives of river animals and plants would be in danger
as they can be crowed out by the excessive amount of algae (Cleaning Energy 2013). Therefore, they must be controlled through manual
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The Issue With Water Pollution
The signs are alarming. We as citizens, business owners, and activists must stand up and make a change to create a more sustainable way of growing
our populations and societies. Sustainability needs to become more implemented into the structure of corporations, cities, and countries. China, the
most populous country in the world, is projected to have an insufficient supply of water by the year 2025. On top of the shortage of water China is
facing they also have a major issue with water pollution. China's freshwater supply is running scarcely low. Three main things that are affecting the
water supply in China are; economic growth, population growth, and climate change.
China is in the midst of massive economic growth, and while this is good for the country and as they plan to continue to pursue wealth, this uprising is
causing the pollution in the water to increase. Companies are moving their manufacturing to China because the cost of labor is much cheaper and the
safety policies are much more lenient. This is a very attractive formula for any company that values profit more than people or the planet. Many of
these companies also take the easy route when it comes to disposing of their waste in an ecofriendly and social friendly way, causing the issues China
faces today with their water pollution and scarcity. Nearly 80% of waste water from waste water treatment plants is disposed of right into the
environment, leaving only 20% of waste water actually treated. "A team from
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Case Study: Effects Of The Three Gorges Dam)
Case study: Effects of hydroelectric dams (3 gorges dam)
Introduction/research question: The Three Gorges Dam spans the Yangtze in China. Construction began in 1994. It is the largest hydroelectric dam in
the world. So far china has benefited very well economically from renewable energy production and pollution and the burning of fossil fuels has been
avoided and this source of energy has become vastly popular. However not everyone is happy with the construction of this dam as it has its benefits and
limitations. So was this hydroelectric dam worth building why or why not? Let us find out.
Benefits of the 3 gorges dam in China:
Flood control, hydroelectric power, and Trade
Flood Control:
2,300 years ago, there have been 214 major floods recorded, ... Show more content on Helpwriting.net ...
The Three Gorges area of the Yangtze is notorious for dangerous shipping conditions. Thus the controlled level of water and the ship lock system will
enable larger ships to travel further inland on the Yangtze and that will be capable of lifting passenger or cargo ships of 3,000.
Limitations of the 3 gorges dam:
Flooding:
Just as we thought the problems of flooding had stopped, the 400 mile long reservoir of the Three Gorges Dam has flooded 13 cities, 140 towns, 1352
villages, and 100,000 acres of China's most fertile farm land.
The agriculture areas along the river have produced nearly half the country's total crop production. The farm land lost had provided 40% of China's
grain and 70% of rice crops. Farmers that were relocated to the hillsides of the dam have struggled to grow crops, and so far the only viable crop able
to be produced on such steep terrain has been oranges.
Financing:
The United States Export–Bank and the World Bank refused to finance the project because of its disastrous environmental and social consequences
such as Water Pollution, Siltation Ecosystem Disruption and Deforestation. In addition the compensation funds amount to 46% of the total project
costs for the dam, or $7.15 billion US dollars. In addition to cover the costs they had to look for external funding, which came from the top five
investors in the project are Germany, Sweden, Switzerland, Brazil, and
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The Belo Monte Dam Complex Essays
Hydroelectric dams as energy sources have many advantages; they provide a renewable energy source, it can take the place of fossil fuel usages, and
while being built dams can significantly help jobs in the development industry (Perlman). However, these dams are extremely costly, not just
economically but environmentally and socially as well. These costs can be demonstrated by looking at the consequences of other dams. Three Gorges
in China: release of methane gases, deforestation, water pollution, ecosystem disruption. Glen Canyon Dam: sedimentation, endangerment and
extinction of species endemic to the area, poor water quality, crippling of ecosystems downstream–and these are just the environmental impacts! All of
these ... Show more content on Helpwriting.net ...
The origins of the Belo Monte project heralds from an earlier plan schemed in the 80's that would have a total of seven dams up and down the Xingu
River, one of the last open tributaries of Amazon. Then called the KararaГґ Complex, it was opposed and struck down in 1989 by the organization of
indigenous and environmental groups that attracted a lot of media coverage ("Brazil's"). At that time the project would have flooded 18,000 square
kilometers of land, compared to the 668 square kilometers that will be flooded now. Obviously it would have affected far more than just the
indigenous and riverine people of the Xingu River basin, and was easier to oppose due to the little review of the initial project and the fact that the
peoples directly affected by it were never consulted before it was approved by the Brazilian government. After the crushing defeat of the KararaГґ
Complex the government reworked the entire project and quietly went through all the correct avenues to being approved while simultaneously ignoring
injunctions against it ("HistПЊrico"). The Environmental Impact Assessment (EIA) that was required by the government found that the dam would
"directly effect" only 1,500 kilometers, and did not consider the indirect impacts of the drying of the 100 kilometer "Big Bend" area that sustains at
least three indigenous groups. From there in 2010 the project was approved and privatized to the Norte Energia Consortium Environmentally, the
project will lead to
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Three Gorges Dam Essay
Three Gorges Dam
The Three Gorges are known to be a famous tourist attraction for its beautiful scenery, located in northeastern China along the Yangzi River. The
Yangzi River runs 3700 miles long, being the third longest river in the world after the Nile and Amazon Rivers. The Qutang Gorge, the Wuxia Gorge,
and the Xiling Gorge are the three Yangzi River gorges that make up theThree Gorges. The Three Gorges are not only famous for its scenery, but also
its disastrous flooding. Within a century, five major floods have occurred killing over 300,000 people living in cities along the bank of the river. This
is due to the constant sediment deposits along the river, causing the river bed to ... Show more content on Helpwriting.net ...
Export Import Bank are unwilling to provide financial assistance for the construction of the dam. Therefore, most costs will be depended upon the
national energy tax, government bonds, and any other trust funds raised. The dam will produce the energy of 84 billion kilowatt hours per year, which
is enough to supply 11–15% of China's energy. Project loans and interest is planned to be paid off by this energy generated in 2–3 years upon
completion of the dam. The inexpensive electricity and cheap river transportation is expected to turn this region into an international investment.
The Yangzi River acts as a transportation highway for people living along the banks of the river. The reservoir will become a great advantage to
those travelling along the river. It will help bring ships inland, allowing about 50 million tonnes of extra freight to be transported along the river each
year. The project will "reduce freight costs and facilitate trade in the area."[4]
Many people have criticised the actual value of the dam. People have claimed that coal supply has kept pace with China's development, keeping
energy prices low; the dam is unnecessary since "electricity prices will remain so low that the project will never pay for itself."[5] Some have also
complained that the dam will destroy the Yangzi scenery, which would result in less revenue
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The Hoover Dam and Its Construction Essay
Outside of China, the United States is the most–dammed country on the planet. Counting only dams taller than fifty feet high, the U.S. has some 5,000
dams that range from giant hydroelectric dams such as the Grand Coulee in Washington State to flood control dams in the southeast and dams that
provide water for irrigation in California. Overall the United States has as many as 2.5 million dams of one sort or another. The design and
construction of many of these dams took place between 1930 and 1975. This 45 years period is known as the golden age of dam building, starting with
the construction of the Hoover Dam beginning in 1931. By the 1970s the golden age of dam construction began to come to an end with increased
concerns ... Show more content on Helpwriting.net ...
Since the dam was located in such a remote location roads and railways had to be built to bring the workers and materials to the site. Boulder City,
a camp was also built to house the thousands of workers. Before the construction of Hoover Dam even began Six Companies, Inc. had received
over 2,400 job applications and more than 12,000 letters of inquiry from job seekers. Many men arrived with all of their possessions and their
families ready to begin a new life in the desert. Many of these people were forced to wait and live in tent communities and shantytowns around Las
Vegas. This created very poor living conditions where more than 25 workers and family members died of heat prostration between June and July of
1931. Fortunately the U.S. government anticipated this problem and had already created plans to build a modern city, known as Boulder City, to
house the workers and their families near the site of Hoover Dam. To the surprise of both the government and Six Companies, Inc. Boulder City turned
into a community. Churches, a school, a newspaper, and a library were all built in Boulder City making it a model community [iii].
Before construction of the actual dam could take place the Colorado River first had to be diverted, this was done by tunneling four huge diversion
tunnels through the bedrock of Black Canyon. These tunnels were 56 feet in diameter, 4,000 feet long, and
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Advantages And Disadvantages Of Small Hydropower
The specific purpose of my report is to investigate possible solutions to provide clean, low cost and efficient electricity for remote areas, specifically by
small hydro power. The mechanical power of water is used 2000 years ago by the Greek for rotating wheels to grind wheat to flour. It develops
throw–out the years by replacing the wheels by turbines that allowed people to produce electricity from mechanical power.
However, the large scale of using hydro power have had many negative effects on the environment that surrounding thehydropower plants by
constructing dams and population replacement causing damage to environmental systems over the globe, and not provide ideal solution for population
in remote areas.
The solution is now available with ... Show more content on Helpwriting.net ...
1– Low cost.
Small hydropower depends on the site where it are constructed and the technologies that are used, so its range is between 1000 dollars to 20,000. The
simple equipment and the maintenance fees also make the small hydropower reliable for low income countries in comparison with large hydro power(
"Micro", 2006).
2– For remote areas.
Small hydro is important in remote area application and communities who do not have electricity for several years to come. Small hydro easy to
operate, it is suitable to support local population, even stand as a dependent source of electricity for remote area (Puranik, n.d.).
Future of Small hydro power.
The size energy of water theoretically is 4 times than the exploited energy at current time. The environmental and economic concerns are the two
factors behind the lower number of actual size (Baird, 2006, p3). This will open the opportunities to in front of the small hydropower to be developed
more and more with its low environmental impacts and low cost constructions. As research indicates and new technology increases the efficiency of
low head turbines, small hydro power will increase in the future (Fig 17).
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The Benefits of Hydroelectric Energy Essay
Hydroelectric Energy
What is Hydroelectric energy?
Hydroelectric is a form of energy it is a renewable resource. Hydroelectricity is the most important and widely used renewable source of energy.
Hydroelectric relies on water, which is clean and renewable energy source. Renewable energy comes from natural resources. Non–Renewable energy
source includes coal, oil and natural gas. Water is renewable because water continually recycles itself. To harness energy from flowing water, the water
must be controlled; a large reservoir is created, usually by damming a river to create an artificial lake or reservoir. Water is channeled through tunnels
in the dam. The energy of water flowing through the dam causes the turbines to turn and make the ... Show more content on Helpwriting.net ...
Its powers most of the building like homes, hospitals, schools, factories and etc. Hydroelectricity comes in a human cost. The huge damn that required
for hydroelectric energy projects create a reservoir that floods an entire valley. Like homes, communities, and towns that may have to relocate as a
dam construction begins. However, the projects to make a hydroelectric power generator has forced more than millions of people to relocate. Lifestyles
were disputed. We don't have to burn fuels to cause pollution... pollution free. Hydroelectric developments don't generate toxic by–products. With an
average lifetime of 50 to 100 years, hydroelectricity developments are a long term. It can easily be upgraded to incorporate more recent
technologies and have very low operating and maintenance cost. Dams are designed to last decades and so can so contribute to the generation of
electricity for many years and decades. Hydroelectricity is the cheapest way to provide energy. Once a dam is constructed, electricity can be
produced at a constant rate. Large dams can be useful for flood control. It's a clean energy source. It does not produce green house gases. When a
hydroelectricity water storage dam is built, the water can be used as drinking water and also a recreational purpose such as fishing and boating. Dams
saves and reserves water so that it is not wasted into oceans and seas. Controllable source of
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Hoover Dam Research Paper
Hoover Dam
Dieu Nguyen
English 108, Section 16285
July 8, 2015
Mrs. Patricia Pullenza Outline
I.Introduction
II.History of Hoover Dam
III.Construction's Challenges A. The Great Depression B. Moving the Colorado River
IV.Hoover Dam's Negative Effects A. Riverbed Lowering B. Greenhouse Gases Ejecting C. Ecosystem Destroying D. Problems with the water
V.Conclusion
Hoover Dam, one of the largest dams in the world, is located on the border between the U.S states of Arizona and Nevada, in the southwestern United
States. Hoover Dam was constructed between 1931 and 1936, and it took more than 100 lives during building the construction. The dam was
controversially named after President Herbert Hoover, the ... Show more content on Helpwriting.net ...
At that time, there were no roads into Black Canyon, so initially, dam workers and equipment had to be brought by boat. Over time, roads were
built and catwalks were stretched across the river. Carving the diversion tunnels was a slow, tedious process that exposed dam workers to
immense danger from blasting, falling rocks and diesel gas fumes spewed by the trucks that carried out blasting debris. Compressed air was
circulated into the tunnels through large pipes. However, despite the difficulties, through intramural competition of the crew shifts, the tunnels
would be completed almost a year early. According to Lesley DuTemple in The Hoover Dam, "The most spectacular and dangerous job of all
belonged to the high scalers. These workers cleared loose rocks from the canyon walls. While scalers worked primarily in the tunnels, the high
scalers dangled on ropes, hundreds of feet above the canyon floor" (47) because the tunnel must be checked for loose rocks in the tunnel walls. The
diversion tunnels were lined with intricate forms for concrete lining. Initially a base of concrete was poured. The sidewalls were then poured into
moveable sections of steel form and rail directed cranes were used to place the concrete. Lesley DuTemple in The Hoover Dam said, "To pour the
concrete, curved wooden molds were constructed 3 feet out from the tunnel walls."
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Advantages Of The Three Gorges Dam
Three Gorges Dam
Introduction:
The Three Gorges Dam is the largest hydroelectric dam in the world. It costs over 39 USD billion to build. The Three Gorges Dam is a
hydroelectric dam that traverses the Yangtze River by the town, Sandouping Yichang Hubei in china. The Three Gorges Dam is the world's biggest
power station. The Dam is fit for producing 22,500 Megawatt and this a world record. Development of the Dam started in December 14, 1994 and the
Dam venture was finished and completely utilitarian in July 4, 2012.
The Three Gorges Dam was worked to control flooding of the Yangtze River and create control. Yangtze River is 6,300km long. Flooding used to be a
noteworthy issue for the Yangtze River, with a huge number of individuals living downstream of the dam in extensive urban communities like; Wuhan,
Nanjing and Shanghai. This made a monstrous manufactured lake which has turned into a worldwide vacation.
Advantages of the Dam:
Flood control
Controlling surge is a standout amongst the hugest elements of the Three Gorges Dam
Power generation
As the world's biggest power station of ... Show more content on Helpwriting.net ...
The dam additionally produces hydroelectric power for China. Prior to the Dam was constructed they needed to transport coal, oil and gas to create
control for China which is unsafe for the earth. While transporting the products, the merchandise would fall into the stream and damage the creatures
living in the Yangtze River. There are different reasons why the biodiversity wasn't there any longer, in light of the fact that keeping in mind the end
goal to manufacture the dam the encompassing scene has changed a considerable measure, which make issues atmosphere weakened, plant and natural
life began vanishing likewise recorded relics have been
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San Joaquin River Restoration Paper
People predict things all the time. The question to ask is do their predictions come true? The San Joaquin River Restoration project had Bill McEwen
and Daniel Weintraub predicting what would happen within the years of this restoration. What is intriguing to know is if their prediction came true. If
they did come true was it for better or for worse?
An important concept of this restoration project is the funding that went into it. "... Our federal and state governments will spend hundreds of millions–
if not billions of dollars in coming years..." ( McEween 2009) In the article 'River Plan Too Fishy for my Taste Buds' Bill McEween predicted that our
government would have spent "millions– if not billions of dollars" for this restoration project. The question to ask is did this prediction came true? "
Since the restoration project began in 2009, it has been plagued by missed deadlines, a failure of fulfill coequal goals that include... a price tag that
has ballooned to $1.5 billion." ( The Editorial Board ... Show more content on Helpwriting.net ...
" When the chinook salmon come back to the San Joaquin River it will be a miracle." (Weintraub 2009) In the article 'River Restoration Project
Offers a Sprinkling of Hope' Daniel Weintraub expresses that he does not believe that the salmon will come back to the San Joaquin River. Now the
interesting thing to know is if after six years where Weintraub's beliefs accurate? "If it isn't already a warm–water fishery, it will be soon. In the midst
of global warming, trying to expand that range of salon– instead of saving them where they are– is a fool's errand." (The Editorial Board 2015) The
Editorial Board explains that after six years the salmon still haven't returned, and they won't return because of global warming. It is better to save the
salmon where they are now instead of trying to have them return to a place where we won't know if they will
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Renewable Energy Sources For Clean Energy
As of right now China is the leader in clean energy usage. They have been dramatically increasing their spending on clean/renewable energy source
such as wind turbines, solar–photovoltaic cells, and water turbines. This rise of renewable and clean energy in china has come with a hefty price.
China has spent almost $500 billion on renewable energy sources. With this increase of clean energy China is also reducing their use of coal and trying
to get more coal plants to clean the coal so that there will not be as many pollutant coming from the plants. China has made a plan for all this to be
possible, it will span over 5 years and it is planned to cause 20% of all energy used to be from renewable energy sources. Because of Chinas
determined plan to make a big change in clean/renewable energy they have become the leader in clean and renewable energy usage, over doubling the
amount of energy the US has produced from renewable energy sources.
One very controversial aspect to the use of these renewable energy sources is how they are changing the landscapes and some even displacing animals
and humans form their homes. One example of this is the Three Gorges Dam, a hydroelectric dam that reaches across the Yangtze River. The dam is
located near the town of Sandouping in the Hubei province. When the dam was being built China had to relocate over 1.24 million people because
the water that would be blocked from flowing down the river would rise and flood many of the towns by the river.
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Renewable Sources Of Energy As Being Sustainable.it
This essay seeks to identify a number of challenges which are encountered when trying to identify what a sustainable source of energy is. To do this,
it first briefly states ways in which the term 'sustainable energy' has been interpreted by various bodies and individuals and ways in which people
seek to identify an energy source which is 'truly' sustainable. This essay seeks to point out the flaw in classifying all renewable sources of energy as
being sustainable.It will achieve this by comparing two energy related projects, proving how sustainable a non–renewable source can be and vice versa.
Lastly, it will prove ways in which different people's misconceptions can affect further progress with these energy related projects.
A number of suitable definitions of sustainable energy run through this essay. Sustainable Energy has been defined as; 'A living harmony between the
equitable availability of energy services to all people and the preservation of the earth for future generations'(Tester, Drake, Driscoll, Golay, & Peters,
2005). This from my own point of view is the most accurate definition by far. Pointedly, it is in contrast with a number of definitions; for example this
one by Denzil Walton stating that; Sustainable energy is regarded as the system of producing, transporting, distributing and consuming energy in a way
that promotes a reduction in the rate of consumption of non–renewable resources which lead to environmental degradation while providing at socially
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Essay on Project Management, The Building Of The Three...
1.Introduction The Three Gorges Dam on the Yangtze River will probably be finished by 2009 and will be the largest hydroelectric dam in the world.
Being the present manager and being appointed by the government at the feasibility stage I am asked to write a report in order to outline the activities
required to successfully manage this major project and to ensure that it is completed on time and within budget. This report will be divided into six
parts beginning with an introduction and ending with a conclusion. At first should the terminology be defined. A project is "a unique set of coordinated
activities, with a definite start and finishing point, undertaken by an individual or organisation to meet specific objectives within... Show more content
on Helpwriting.net ...
My report is based on the project life cycle from Field and Keller. 2.Define In the define phase proposals are formulated, estimated and tested for
feasibility. The results will be presented to the senior management in order to receive a "go" for the project which often is in the form of a
contract. The main objectives of the TGD are: В•Protection against floods В•Making the Yangtze River navigable В•Leading the water into dry
regions В•Generation of energy В•Supporting the economic and regional development of the provinces 2.1.Requirements analysis Geological
conditions The relevance is given as we need an adequate material to build the dam as well as enough water to achieve a water level and finally to
maintain that level. It also should be thought about a solution for the silt coming down the river in order to keep on getting a clear flush. Ecological
environment issues They include the dying of various animals and seldom fish species. The landscape around the dam could be damaged to a great
extend due to the rise of the Yangtze water level. Drainage outlet could occur and therefore some of the surrounding land–scape will be flooded.
Resettlement issues As described in point 2 the water level will rise and a water basin will be created. The people who live in the effected area need to
be resettled as their houses will be flooded. Every task
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Hydro-Electric Dams Are an Environmental Disaster Essay
Almost, everything runs with electricity, dams are what produce most of this electricity. Hydro–electric dams are very essential nowadays as they
massively supply electricity to the world. Some people believe that hydro–electric dams are not environmentally friendly, hydro–electricity is produced
by water. Canada is ranked second in the production of hydro–electricity (Hydroelectricity Energy), the hydro–electric dams produce 59% of Canada's
energy (Trading Economies).There are over 933 large hydro–electricity dams in Canada. Quebec consists of most of these dams where they have
around 333 large hydro–electric dams (Water–How we use it). A hydro–electric dam pulls water from rivers close by decreasing water levels which
increases the risk ... Show more content on Helpwriting.net ...
Canada relies highly on hydroelectricity as it is there major electricity producer, they should not rely on these dams because they will start increasing
extinction rate for fish species. Most of Canada's fish population may become extinct if they continue the use of these dams non–environmental dams.
Furthermore, hydro–electric dams are not an environmentally responsible source of generating energy because when they are built, a vast swath of
land must be used, resulting in displacement of local people. The amount of land needed to build a dam is large which will displace many people.
When the Three Gorges Dam project was approved, it forced over 1.4 million people to relocate (Business Insider). The Three Gorges Dam needed
to be a large dam because of the growing energy needs in China. This would require vast areas of land and so the amount of people relocating
increased due to the dam because of the flooding a dam can cause (Business Insider). In addition, many people will have to relocate due to the vast
amount needed to create a dam. The Manwan dam project caused over 3,000 local people to leave their homes (Hori, 206,207). The dam had to have
large dimensions for it to produce a large amount of electricity. The dimensions of the dam were too big, resulting in relocation. The people relocated
due to the high waters it has stored and the flooding it can cause (Hori, 206–207). Thus, building hydro–electric dams will displace large amounts of
people from their
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3 Gorges Dam Essay
1. Historical Implications: Why was the building of the dam first proposed in 1919 and by whom?
Answer: It was proposed by Dr. Sun Yat
–sen, pioneer of the Chinese democratic revolution, to harness the energy of the Yangtze River.
2 . Historical Implications: Why have archaeologists and historians criticized the building of the Three Gorges Dam?
Answer: the Three Gorges Dam because it flooded and destroyed a large number of important cultural and archaeological sites. The dam has caused a
lot of ecological changes and approximately 1.3 million people had to move because of the creation of this dam.
3. Governmental Implications: What has been the unfortunate response of local government officials assigned to help families affected by the
construction ... Show more content on Helpwriting.net ...
Governmental Implications: How has government corruption impacted safety?
Answer: Because many things were not built well which led to it collapsing andharming many people.
5. Energy Implications: Why did China believe the building of the Three Gorges Dam was an absolute necessity in terms of energy production?
Answer: The Yangtze used to flood every year wiping out mountainside villages, you can see this throughout Chinese history. Hundreds of thousands
died during the dynastic era due to flooding. The dam allowed China to regulate water flow and harness it for energy. It also was part of the
government efforts to redirect water flow to drought stricken areas. 6. Energy Implications: Compare the energy production of the Three Gorges Dam
to the Hoover Dam. Although China believed the Dam would provide the nation with 10% of its power needs, what is the current amount of power it
actually is supplying?
Answer: China thought that the Three Gorges Dam would provide 10 percent of China's total energy needs. During the years of construction, the
population МЃs demand of energy has reduced that number to 3 percent. The Hoover Dam produces, on average, about 4 billion kilowatt–hours of
hydroelectric power each year for use in Nevada, Arizona,
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Three Gorges Dam
Should the Three Gorges Dam Been Built?
Dear President Hu Jintao,
I am writing to you today to explain what the Three Gorges Dam is, why it is needed, the social, environmental and economic advantages and
disadvantages and whether should it have been built? Firstly the Three Gorges Dam is a hydroelectric dam that spans the Yangtze River by the town of
Sandouping, located in Yiling District, Yichang, Hubei province, China. The Three Gorges Dam is the world's largest power station in terms of
installed capacity it can create up to 22,500 MW enough to power New York for 10 years. In 2012, the amount of electricity the dam generated was
similar to the amount generated by the Itaipu Dam. This is the world's largest dam as is located in ... Show more content on Helpwriting.net ...
The top five investors in the project are Germany, Sweden, Switzerland, Brazil, and Canada. All are part of the Organization for Economic and
Co–operative Development, membership of which requires the agreement to the Guidelines for Multinational Enterprises to "respect the human rights
of those affected by their activities"
. Over 10 million Chinese have been relocated by dam–related projects throughout China's history, 46% of them living in extreme poverty. Of the 1.2
million relocated so far by the Three Gorges Dam, 500,000 are peasant farmers, many of whom earn just 1/3 of the World Bank poverty level of $1
per day. The resetllers were not offered substantial compensation to cover the cost of new housing. Most were moved into to urban centres near
Chongqing, or into the new cities built specifically for relocation, on steep unstable slopes that have now been determined unfit for development or
farming**************
Even though the Three Gorges Dam produces electricity for nearly the whole of china's population I still do not believe that it should have been built.
Despite the fact that the dam helped reduce pollution of the air because 1–4 coal power stations were being built and the dam help reduce that the
impacts on the environment, people, and just the cost of the dam it would have probably been better to keep building coal power stations. I believe
this because nearly 1.2
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In his 2006 film, Still Life, Jia Zhangke creates an...
In his 2006 film, Still Life, Jia Zhangke creates an enigmatic case study of alienation and displacement. Through the use of space, both literal and
figurative, and long, extended takes that expand the perception of time Zhangke tells the story of a people who are victims of their own environment.
What is perhaps most striking of the film, beyond even the existential and political undertones, is the division drawn between the cold and
demonstrative attitude the government adopts towards its citizens and the warm, caring daily interactions between the people themselves. The film
opens with the protagonist, Han Sanming, arriving to the city of Fengjie in a fashion almost as languid as the boat ride there. The story follows a
narrative,... Show more content on Helpwriting.net ...
In the final scene of the movie Han informs the others of his decision to return to his home in Shanxi and work in the coal mines until he can repay
the debt that keeps his daughter bound to her employer. Upon hearing the news his fellow workmen share a pack of cigarettes and drink to his safety
and good fortune, as well as making a pact that they will follow Han to Shanxi and work alongside him in the mines. The scene is perhaps dry and
longwinded, but the emotional recourse is so powerful that it warrants a simple aesthetic to balance the tone of the story with the mood it instills upon
the audience. The fact that such camaraderie can arise in a world of detachment and enmity brings the closure that Zhangke has slowly and brilliantly
steered the audience towards since the beginning of the film. Compared to the heartfelt bond that Han shares with his co–workers, the relationship of
the government with its people is a stark alliance that extends to the opposite end of the emotional spectrum. The public dissatisfaction with national
policy is summed up in the simple image of the Chinese character for 'destroy' placed by government officials on particular buildings without the
consent of the people. The white paint almost emanates from the rust and corrosion of the homes it is placed upon and the response of those afflicted
are just as harsh. The people shout and plead with government officials, but are only met with apathy and
... Get more on HelpWriting.net ...
Three Gorges Dam Essay
Traditionally, environmental management has been considered in the light of knowing the best technological solution. A significant case study
representing a technological solution to environmental management is the Three Gorges Dam (TGD) on the Yangtze River in China. The dam has two
principal management purposes. These are; to provide energy sourced by more renewable means than coal burning alternatives, to meet rising
demands, as well as reduce flooding of the Yangtze River. Following a deeper introduction of the TGD case study, four primary perspectives will be
used to assess the environmental management outcomes and approaches. First the social implications and any gains of the project, including the issues
of social injustice and lack ... Show more content on Helpwriting.net ...
The environmental management aims of the dam were to reduce flooding of the river, as well as shifting the nation from heavy coal–dependency to
more renewably sourced energy to meet expanding requirements in China. Thus maintaining to expand the energy industry and output for use in a
growing society, whilst considering the finite limit and emission impacts of coal and other fossil fuels. To meet these goals, the TGD was constructed
to become the world's largest hydroelectric dam. The Yangtze River on which it built is the world's third largest river; being the largest in China (Cai
et al., 2013). The Yangtze River Basin (including tributaries) involves 20% of the area of China; resultantly being large enough to heavily impact
surrounding ecosystems, the water cycle and energy balance (Li et al., 2011). Construction of the dam commenced in 1993 and ended in 2009, with the
final construction having a storage capacity of 3.93x1010m3 (Zhou et al., 2014). Partial operation of the dam commenced from 2003 and full operation
from 2009 (Cai et al., 2013). Studies have been comprehensively conducted to argue that this technological solution has not led to good management of
the environment; as evidenced from both social and environmental impacts, as well as investigations into the overweighing benefits people
management would have had.
From a societal perspective, the Three Gorges Dam (TGD) project has ultimately
... Get more on HelpWriting.net ...

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Taking A Look At The Aswan Dam

  • 1. Taking a Look at the Aswan Dam Assignment #2 The Aswan dam was constructed as a direct response to the rapid population growth within Egypt during that time. With a population of 26 million by the time construction began on the dam, the government of Egypt was worried about food and energy demands. The dams original thought was to provide power and expand available water supplies outside of the flooding season to allow for higher agricultural yields. The construction of the dam also thought to carry some secondary effect with it, such as additional fishing grounds and channels for navigation. It was believed that the additional energy production would also drive down the price of electricity, making it more affordable. A major aspect of the dam project was thereservoir to hold the floodwaters and control the release rate. However, the creation of the reservoir flooded a large upper land area requiring the relocation of over 50,000 Nubian residents. The relocating of residents because of dam construction is fairly common, as over ten million residents of China of had to relocate as a result of dams, 1.5 million for the three gorges dam alone. The relocation of the Nubians did have a positive effect over time as their infectious disease rate dropped. Although the relocation did leave them unhappy as they were moved further into the desert. The reservoir also negatively impacted archaeological sites in the area, as they were flooded over. The reservoir it self was predicted by some scientists that ... Get more on HelpWriting.net ...
  • 2. The Gorges Dam, The World 's Largest Power Station The Three Gorges Dam, the world's largest power station, is a hydroelectric dam that distances the Yangtze River located in China. Dams could be built for many reasons, including flood control, irrigation, and sedimentation control. Construction for the dam started in 1992 after many repeated discussions and arguments took place. The Chinese people are keeping a close watch on the Three Gorges Dam, and many people in other countries are keeping an eye on it as well. Unfortunately, with a project as big as this, many problems come along with it. The Chinese government dismissed many warnings from environmentalists that said that the project has the potential of being, "one of China's biggest environmental nightmares" (Hvistendahl). The Chinese government officials have been defending the $24 billion project and only see it as a huge source for renewable power and as a way to prevent floods. The dam generates over 18,000 megawatts of power, which is eight times more than the Hoover Dam on the Colorado River. Wang Xaiofeng, who oversees the project, admitted that the dam had many "hidden dangers". The government realized that what the biologists and environmentalists were saying was more than true. Building an enormous hydropower dam where it is heavily populated is a threat to the people that live there and the animals that inhabit the area. When the project was first being started in 1992, people were forced to relocate to make room for the project. People on the banks of the ... Get more on HelpWriting.net ...
  • 3. The Impact Of Hydroelectricity Production On Its Future Trend Abstract This report outlines the present situation of hydroelectricity production in China and speculates on its future trend. By analysing three sets of data, it investigates the reasons for the significant development of hydroelectricity in China and provides comparisons between different countries and different kinds of fuel. It concludes by looking at the support offered by the government and the major reason behind this. It also suggests that the generation of hydroelectricity in China will keep growing and will relieve the air pollution issue. Introduction With the high–speed economic development and the incredible growth in human population around the world, electricity demand has increased rapidly (Zarfl et al., 2015). As a fast growing country with the largest population in the world, the electricity generation in China nearly doubled between 2005 and 2011 (U.S. Energy Information Administration, 2014). In order to narrow the gap between electricity generation and consumption and, on the other hand, alleviate the environment problems mainly caused by fossil fuel, China has encouraged more investment in renewable energy (Ibid). Hydroelectricity has become the most important renewable resource as China has a large amount of hydroelectric power potential (Ibid). The word "hydroelectric" relates to "the generation of electricity using flowing water to drive a turbine which powers a generator" (Oxford Dictionaries online, 2015). Electricity produced by using ... Get more on HelpWriting.net ...
  • 4. Considering the water quality, the total wastewater... Considering the water quality, the total wastewater discharged into the reservoir–reach amounts to 1.2 billion tons annually (Wang, 2002). TGP does not generate pollution itself but it will aggravate the pollution belts, because of higher water level and slower velocity. The Chinese government decided that all the industrial pollutants must be treated to reach the (official) discharge standards by 2000. A number of small enterprises that discharge heavy pollution, such as paper mills, have already closed down, and the central government will invest a large sum to build a series of large wastewater treatment plants in Chongqing City, Wanxian City, Fuling City and Yichang City. In addition, the catchment management, pre–impoundment clearing ... Show more content on Helpwriting.net ... A program of artificial reproduction of endemic fish species has been performed for more than a decade. For plant species conservation, a program has been initiated recently to conserve three more endangered species, Rhamnus tzekweiensis, Buxus ichangensis, and Plantago erosa var. fengdouensis (Zhang, 2011). Consequently, the efforts have also been shifted to the preservation of regional ecosystems with consideration of typical vegetation types (e.g., evergreen forests) and rare and endangered species in the region. An ecosystem conservation network has been developed in the TGRR including Dalaoling (Yichuang City,Hubei Province), Longmuhe (Xinshan County, Hubei Province), Shiping (Fengdu County, Chongqing), and Wushan (Wushan County, Chongq– ing) (Zhang. 2011). 7Conclusion This paper takes the Three Gorges Dam Program as an example to introduce the process of EIA, emphasizing on the impact and mitigation these two phases during the allover management. Among several analysis methods, we focus on the Cost–Benefit Analysis (CBA) methods to evaluate the affects of the TGD on the environmental and ecological system. Although people benefit from the TGD a lot, the negative impacts of the TGD also cannot be ignored and should be considered seriously and thoroughly, which include ... Get more on HelpWriting.net ...
  • 5. In the beginning of the construction of the Three Gorges... In the beginning of the construction of the Three Gorges Dam, there were several problems. There were several protestors and opinions about the dam before the Three Gorges Dam project was even started.1 China has had history of several dam failures in the mid–1970s that were responsible for thousands of deaths. The three gorges (Xiling, Wu, and Qutang) have scenery that is a tourist attraction.2 Thedam was going to be a little over 600 feet tall, 7500 feet wide, and hold over 97 trillion gallons of water. Because of all of the population increase, China started using coal power plants1 and shipping, which causes acid rain over the region making the Yangtze River is one of the most polluted rivers in the world.4 It does not help ... Show more content on Helpwriting.net ... Relocating farmers and having them uproot everything they worked hard for. They were forced to work in the city for industries or grow a different crop then what they were used to growing.3 China also need to increase its electrical power to keep up with the increase in population and industries.1 About 20% of the world's electricity is from large dams. The Three Gorges Dam is not only the largest dam2; it is also the largest power plant in the world4 because of the dams 26 turbines for hydroelectricity.1 The Three Gorges Dam would help by producing 18.2 million KW output. The power generated from the dam will be self–sustaining and the energy saved will soon profit from the dam after it is paid for.4 Water for agriculture and human consumption usually vary on the fluctuation of the Yangtze River. The dam provided access to the water continuously.1 The Three Gorges Dam had the potential to benefit China essentially in safety, health, and quality of life. Analysis of the dam shows that it was not in compliance with The World Commission on Dams (also known as the WCD). The World Commission on Dams priorities for their guidelines on dams are as followed: Gaining Public Acceptance, Comprehensive Options Assessment (such as Environmental, Social, Health, and Cultural impacts, Life Cycle assessment, And greenhouse gas emissions), Addressing Existing Dams (such as Improving reservoir Operations), Sustaining Rivers and Livelihoods (such as ... Get more on HelpWriting.net ...
  • 6. Alternative Energy Sources For Renewable Energy Renewable energy has become a widely popular topic in society. With the rapid depletion of fossil fuels, scientist are looking to natural and renewable resources to create a means to produce sustainable energy. There are many alternative energy sources that have proven useful in the past couple of years. Some of the alternative energy sources are not only more useful than others but have proven to be easier to attain and also prove to create a more substantial amount of energy. Today, the most widely used form ofrenewable energy is hydroelectric energy. Making up 20 percent of global electricity generation, hydroelectric energy is crucial in the production of electrical power and sustaining the environment. How It Works Hydroelectric energy is produced through the use of falling or flowing water. Large amounts of water usually contained in dams flow through a passageway called a penstock. In order for the water to fall and flow into a penstock the dam must be built on a large body of water with a large drop in elevation. After flowing through the penstock the water intake rushes through and forcefully turns a turbine propeller. Connected to the turbine propeller is a shaft. The shaft continues out of the water and connects to a generator and a powerhouse. The generator thus produces electricity into the powerhouse and ultimately into surrounding homes and buildings in proximity to the dam. The water then continues to flow into the major body of water from which it came and ... Get more on HelpWriting.net ...
  • 7. How Did China Build The Three Gorges Dam In August of 1975 a horrible tragedy struck China. The Banqiao dam, burst resulting in water flooding through the city. Not only did the Banqiao dam, burst but 60 dams as well. People were struggling to survive (Qing xv). However, some were not so lucky. An estimated amount of about 100,000 people were killed (Qing xv)). In hopes to rebuild China, the Three Gorges dam project was announced. The Three Gorges dam project was first brought up around the 1920's, by Sun Yet–sen (Hessler 2). "After Sun's death, in 1925, the vision was kept alive by dictators and revolutionaries, occupiers and developers, all of whom saw the project as an important step in modernizing the nation" (Hessler 3). However economic problems affected the building process. The authors state that the purpose of the dam was "to control floods, generate power, improve navigation and supply water" (Duan and Wilmsen 1). There ... Show more content on Helpwriting.net ... Even though they were trying to help nation by building the Three Gorges dam, they hurt some of the people in the process. The process would have been able to move a lot smother if an actual set plan was made. China ran into a few road blocks along the way which including the environmental safety, money problems as well as relocation issues. The nation was very last minute in placing people to relocate. Even though the people started to adjust to their new surroundings, the Three Gorges Dam was a very risky project that could have ended badly. During the project, the government spoke out stating that they had "to question the substantial human and environmental costs of the project" (Gleick 10). Large projects that may have costly effects to a Nation need to be taken in to great consideration before the commencement of the project. A discussion with the government is crucial when deciding if the project is worth it. The Three Gorges dam has been a success, so far, but that does not mean it was the best ... Get more on HelpWriting.net ...
  • 8. Essay about The Damming of the Yangtze River The Damming of the Yangtze River Since the 1920's, when the dam was first proposed, the Three Gorges Dam has been a topic for debate in the People's Republic of China. The construction of the world's largest hydro–electric project on the Yangtze River would be a detriment to the nativeflora and fauna, submerge rich farmlands, destroy archaeological sites, and force the evacuation of millions of people. Faced with international, as well as domestic, criticism about the ecological and social havoc the Three Gorges Dam would cause, the government of China has remained unnerved and has started construction on this highly questionable project. In December of 1995, Chinese Premier Li Peng officially launched the project at a construction ... Show more content on Helpwriting.net ... The reason for such an enormous hydro–electric project, China contends, is to generate up to 18,000MW of power for China's energy hungry industrial centers (obviously not the hundreds of factories and businesses that will be submerged), transform the Yangtze River into a more navigable waterway, and to protect the middle and lower reaches of the river from disastrous floods (Probe International). However, would the environmental and social cost of the Three Gorges Dam make it a feasible project? The man–made sea created by the dam would submerge important archaeological sites, some dating as far back as the Paleolithic Age. Thousands of invaluable relics, ancient burial sites, 200,00 year old fossils, and new information of a little known, obscure people known as the Ba will be lost (Topping, 1996). Even though $37.5 million has been "earmarked for the rescue of archaeological sites threatened by the dam's construction" (Childs–Johnson, 1996), only "ten to twenty percent of these treasures could be saved." (Topping, 1996). Estimates range from $180 million to $360 million to save ten percent of the most important sites and monuments. The Chinese government is expecting these archaeologists to do work that normally requires hundreds of years within ten years. There is simply not enough money or manpower to salvage many of these invaluable cultural ... Get more on HelpWriting.net ...
  • 9. Essay On Atheng Gao Early in his career Li Si showed an earnest desire to contribute to the ongoing moral government. Sima Qian wrote, "Zheng Gao, a man of Hann, came to cause dissension in Qin through the construction of drainage and irrigation channels" (25). It is well known that water control through engineering has always been a major concern and responsibility of the Chinese government. Irresponsible use of water could lead to crops flooding, mudslides that are capable of destroying villages, widespread hunger, which could possibly lead to a revolt and an overall collapse of the government. Therefore, it is both reasonable and wise for the King of Qin to invest in bringing in a specialist to lead the construction of such a crucial job. However, Qian included the opinions of both the bitter employees, who worked on the project, and the aristocrats who were angered by the choice of bringing in a foreigner to organize and oversee such a task (Dawson 147).... Show more content on Helpwriting.net ... Li Si wrote to the King outlining the numerous economical, tactical, societal and historical benefits that the foreigners brought to the Empire. The King was persuaded by Si's argument and foreigners, including him, were allowed to remain within the Empire (Qian 26–27). By unifying the defeated states, the King promoted Si to a higher office due to his helpful insight. This is an example of him utilizing the Confucian concept of Ren; "The Ren person is one who, wishing himself to be settled in position, sets up others; wishing himself to have access to the powerful, achieves access for others" (3–30). He used his influential position in the government to help others which was a catalyst to his own ... Get more on HelpWriting.net ...
  • 10. The Three Gorges Of The Yangtze River In China At first I'll have a brief introduction of Yangtze River, the Yangtze River, the biggest river in China, the third longest in the World, starts with the Tuotuo River at the Roof of the World–Qinghai–Tibet Plateau, takes in countless rivers, and flows eastward across the interior of China. With an overall length of more than 6,300 kilometers, the Yangtze River, next only to the Amazon and the Nile, is the third biggest river in the world and is a cradle that breeds the ancient civilization of the Chinese nation. When the Yangtze River reaches the eastern Sichuan Basin in southwest China, it cuts through the Wushan Mountain. Here the river course suddenly narrows and the waters become turbulent. Sheer cliffs and steep mountains rise on either side, creating one of nature's most fantastic sights. The Three Gorges–––Qutang, Wuxia and Xiling––––start just after Fengjie and end near Yichang, stretch about 200 kilometers. The Gorges vary from 300metres at their widest to less than 100 meters at their narrowest. Qutang Gorge is the smallest and shortest Gorge, but grandest of the three. The Yangtze River, mighty and rapid here is suddenly contained like "a thousand seas poured into one cup", as the Song Dynasty poet SU Tungpo described the spectacle. High on the both bank, at a place called Bellows Gorge, are a series of crevices. This area is said to have been the home of an ancient tribe whose custom was to place the coffins of their crevices, some containing bronze swords, ... Get more on HelpWriting.net ...
  • 11. Hydro Electric Power Hydroelectric power: The World's Established Renewable Energy Resource For over a century, hydroelectric power has been used to generate electricity from falling water. The capacity to produce this energy is dependent on both the available flow and the height from which it falls. Hydroelectric dams create height for the water to fall and provide storage. In general, the higher the dam, the more potential energy is available. Building up behind a high dam, water accumulates potential energy. The potential energy is then converted to kinetic energy where it can perform work to power a generator. Hydroelectric power can come in many forms, such as utilizing oceanic waves and currents, shoreline waves, and tidal energy. However, I would... Show more content on Helpwriting.net ... Industries and product processing are able to utilize the water stored by reservoirs. Reservoirs alls provide for recreational activities, which can boost local economies. Dams can minimize the risk of flooding by reducing the peak flows and providing more time for downstream notification. Conversely, the storage of water in reservoirs can also pose a great risk to nearby communities in the event that the dam integrity fails. The most environmentally damaging aspect of reservoirs is habitat loss. A river habitat is very different from a reservoir habitat. The flooding of a river system to create a reservoir destroys forests, human habitat, spawning routes, and animal habitats. Suspended soils, logs and debris may settle out of the water as it slows down. Shoreline erosion can increase the sediment load and increase turbidity of the water. Sedimentation, if left unchecked, can leave a dam rendered useless. Sedimentation and habitat loss are not nearly the worst result of reservoir production. Methyl mercury levels in aquatic life can be an important potential impact of reservoirs. When soil and vegetation are submerged they decompose. Inorganic mercury may then be converted to methyl mercury where it is more likely to be consumed by organisms where it may concentrate as it moves up the food chain. This affect is not permanent however, and is only due to the initial flooding of the ... Get more on HelpWriting.net ...
  • 12. Case Study: The Three Gorges Dam Project Case Study of the Three Gorgers Dam Project Case study of the Three Gorgers Dam Project What does the project say about the public policy process in China? The approval of the Three Gorges Project marked an end to a long period of controversy in the Chinese leadership. The government attempted to end the debates but encountered stiff opposition. The Chinese government has received substantial financial support in favor of the project. Several construction contracts are already in progress. This project is used to display how an ambitious enterprise can be tainted by debates and lack of transparencies, unfair labor conditions, and authoritarian decision making in China. Throughout the debates about the project in China, environmentalists have mounted numerous challenges and objections. However, top government officials have given these challenges little attention particularly the prime minister who is focused and determined to ensure that the project succeeds. The success of the project places the country at the top position of being an emerging superpower (Heggelun, 2004). What public policy theories best explain the development and implementation of the Three Gorgers Dam project? There are several theories that describe the possible unrealized expectations with negative impact on population's health. For instance, future unrealistic expectations may be a preparation for changes in life but may create subsequent problems of distress during adjustments. This is explained ... Get more on HelpWriting.net ...
  • 13. Itaipu Dam : The Seven Wonders Of The Modern World The design and construction of project Itaipu Dam has a huge impact on the economy of Brazil and Paraguay and it also helps to reduce the tension between the two countries. Itaipu Dam is the largest hydroelectric power plant in the world with its length of 7,919 meters and a height of 196 meters. It is located on the border between Paraguay and Brazil, from Foz do IguaГ§u and Ciudad del Este to GuaГra and Salto del GuairГЎ. The power plant uses the ParanГЎ River as its source for producing energy which is one of the world's biggest river with the length of 4,880 km. The Dam was named after an island which was near the construction site. It means "the sounding stone" in Paraguayan language. The power plant has an installed generation capacity of 14GW and 20 generating units with the capacity of 700–750 MW. Most of this energy is consumed by Brazil and the dam can supply almost the 87% of the electricity which is needed in Paraguay. In 2016, the power plant produced the energy of 103,098,366 megawatt hours, which became a new world record. In 1994, Itaipu Dam was chosen to be One of the Seven Wonders of the Modern World by The American Society of Civil Engineers. Brazil's population was growing very fast in the 1960s and the government understood that if they do not search for more energy sources and cannot provide enough energy, they will face a huge problem. It was a logical idea to use the existent water resources in the country. When the engineers wanted to find these water ... Get more on HelpWriting.net ...
  • 14. Essay On Stability Of River Banks The practicality of determining the critical height for the stability of a slope is significantly relevant to the current day, as many riverbanks face these problems of instability and overpopulation has led to more civilisations becoming at risk of mass failure. Ultimate failure of a mass of soil is currently the most important threat to the long term stability of the Three Gorges dam (the largest dam in the world) and the 6300 km long Yangtze river, where up to 41.1% of the river basin area suffers from soil erosion problems (People's Daily Online, 2001). Slope stability is a largely researched topic and numerous models, failure mechanisms and parameters have been explored, however the analyses of river banks subject to the presence of ... Show more content on Helpwriting.net ... Only recently, the presence of pre–existing cracks (Utili, 2013) and cracks forming as part of the failure mechanism (Michalowski, 2013) have been included in a semi–analytical approach for the quantitative assessment of slope stability based on the kinematic approach of limit analysis. The determination of the critical height for which failure of the river bank takes place is the most important feature. The topic researched has significant practical relevance to the real world because through determining estimates of the critical height, it leads us one step further in mitigating slope failure and protecting nearby infrastructure. 3.1 Methods 3.1.1 Limit Analysis The method of limit analysis is used within this paper (Chen, 1975) as it allows a semi–analytical solution to be achieved. This is used to run a parametric analysis in order to investigate the stability of river banks for a range of values of ground tensile strength and under various hydraulic conditions. Within this study, the kinematic approach of limit analysis provides rigorous upper bounds to the true collapse value for values of engineering interest of internal friction angle, inclination of the slope, pore water pressure and the height ratio (h/H) of the vertical part of the bank over the total bank height. In ... Get more on HelpWriting.net ...
  • 15. Essay on The Three Gorges Dam The Three Gorges Dam The Three Gorges Dam is an unfinished project which will be the largest dam ever constructed on the planet Earth. It is situated in China on the third largest river in the world – the Yangtze. The dam has been debated over since the 1919 and is still a hot topic of debate because of its many pros and cons. In 1994 construction began on the dam, and it is expected to be finished by the year 2009. The massive dimensions of the dam are mind boggling and its functions – if the dam actually works – are truly remarkable; however, with such a large structure also comes difficulties, sacrifices, and cynics. The goal of this essay is to lend an understanding of the dam itself, the prospective benefits of ... Show more content on Helpwriting.net ... "The Three Gorges Dam will be the largest hydropower station and dam in the world, with a 1.2 mile stretch of concrete and a 370 mile–long reservoir and 525 feet deep."[4] To put that into understandable dimensions it will be the length of the Golden Gate Bridge, and twice as tall. "The reservoir created by the backflow of the dam will extend 360 miles up river to Chongqing, a distance equal to nearly half the length of California."[5] So what is the point of this monstrosity? The major prospective benefits will be power generation, flood control, and increased navigability of the Yangtze River. Many people debate whether these attributes will actually be as beneficial as builders expect. Thedrawbacks of the dam are its flood plain and the effects of the flood plain, environmental damage, resettlement, historical and cultural loss, and the ideas of speculators about whether or not some of the dam's abilities are true. The dam is expected to produce approximately 18.2 million kilowatts of energy per year which will greatly benefit the power needs of central China. The largest validation of the dam is this property – power generation. These 18.2 million kilowatts "generated from its 26 700–megawatt turbine generators, equals the energy produced by 18 nuclear plants or the burning of 40 million tons of coal."[6] The amount of power produced will ... Get more on HelpWriting.net ...
  • 16. Three Gorges Dam Research Paper The purpose of this letter is to inform this company about the negative impacts The Three Gorges Dam has on China. The Three Gorges Dam does not appear to outweigh the costs because of the amount of people having to be relocated,lower water levels, and the loss of many ancient artifacts. Some people might argue that the Three Gorges Dam is good because it improves navigation, advances electricity, and controls floods but the negative impacts are more harmful to China's future. Along with the hardships that are brought along with the dam China had to relocate many people and lose almost 100,00 acres of land. These citizens had very good land to live on but when the construction of the dam began they were ordered to move to a new place.The land ... Show more content on Helpwriting.net ... Over 1,000 sites and artifacts were lost or submerged under the water. One of the most famous items that were buried was the Giant Buddha Statue. According to an Excerpt from the Great Wall Across the Yangtze it says, "A massive sculpture of the seated Buddha rests in the yellowish sandstone cliffs at Single Pebble Village just east of Chongqing. When the tide is high, the statue's base is flooded, and there are watermarks indicating various water levels on the Buddha's feet, legs, and lower belly." Due to all this flooding this ancient statue might be lost if it is not lifted out of the water. According to the article Flood Control some individuals might argue that there is no need to worry about artifacts but that is incorrect. If many of the artifacts are lost, the future generations of China will never have a primary learning experience of these items. They will not have pictures of the artifacts, just words to describe them. Imagine how the children will perish from not knowing their past. Another famous artifact that has been lost due to the flooding is the temple from the Ming Temple. This temple is called the Shibaozhai Temple. According an excerpt from Great Wall Across the Yangtze it states, " Called the "Pearl of the Yangtze," the 12 story wooden pagoda rises to a height of 183 feet. An ... Get more on HelpWriting.net ...
  • 17. The Prospects Of Melting Arctic Ice Caps And The... It's the 21st century and global warming is making the headlines in newspapers, radio talk shows, new outlets and even popular TV shows. The prospects of melting arctic ice caps and the consequences of climate change are primary dangers that are capturing worldwide attention however, could this just be the tip of the iceberg for something far greater? Globalization, defined as the process of integration through interaction between individuals, corporations and governments. It is essentially impossible for a community to live and sustain itself within a vacuum; interactions through trade and foreign relations allow for discourse amongst nations causing mutual influences in politics, economics and culture. Although this undertaking has exponentially increased with the increase in information technology, it has been prevalent throughout history. Amongst the world's regions,East Asia has been exposed to this process the longest as Europe has looked to the East for external resources when early civilizations expanded their geographic and political boundaries. With the effect of globalization on the region, EastAsia opened up its borders to the migration of goods, services, information and people. In the 19th century, countries such as China, Japan, and Korea that were attributed to being the "Far East" not only because they were geographic distant from Europe but also culturally exotic. However, present day they are dominant world leaders because they gained economic stability ... Get more on HelpWriting.net ...
  • 18. Three Gorges Dam Pros And Cons The Three Gorges Dam has many costs and benefits which can make it arduous to oppose or support it (Stone, "Three Gorges Dam: Into the Unknown", 2008). Weighing the pros and cons and finding a marginal offset can determine which side to opt for. The ecological, economic, and social impacts are some of the most consequential factors which means they should be viewed meticulously. When looking at the costs and benefits it can be concluded that the costs outweigh the benefits. Supporting the dam has too many costs and that is why it must be opposed. Let's put our focus on the ecological cons. The fish can't go down the river all the way. In addition, it creates a lake which then creates too many nutrients. When too many nutrients build up (like algae) it causes species such as fish to ... Show more content on Helpwriting.net ... This causes smaller aquatic fish to die off, and this eventually causes bigger aquatic fish who rely on consuming the smaller aquatic fish to die (Jobin, "Dams and Disease"). Before one knows it, a domino effect has occurred. Aquatic ecosystem services are even affected because they die from too many nutrients. Ecosystems can't thrive without these ecosystem services because they tend the ecosystem such as caring for plants, et cetera (Newell, "The Globalization and Environment Reader"). Habitat changes will occur as well due to the effect of building the Three Gorges Dam. When water levels increase it can affect the way plants grow because plants grow at different depths of a body of water. Different fish live at different levels of water as well, which can offset their habitats (Power, Dietrich, & Finlay, "Dams and downstream aquatic biodiversity: Potential food web consequences of hydrologic and geomorphic change", 1996). The new habitats formed aren't even recognizable because they ate such vast changes. Algae will have conquered the entire upper area of the ... Get more on HelpWriting.net ...
  • 19. Essay about Three Gorges Dam in China: The Benefits of... Why would you not want to solve a world problem? There are many problems affecting the world today, and one of the biggest ones is pollution. China is trying to do their part by constructing hydroelectric dams like the Three Gorges Dam. The topic is extremely controversial, because while the dams create energy the rising water levels have forced people to move and artifacts to be destroyed. I strongly believe that China should build more hydroelectric dams, and I feel it is my duty to persuade that even though it will destroy many valuable things the benefit will be far greater than the consequences. There are so many reason china should build more hydroelectric dams, but the most important is the reason the Three Gorges Dam was built in ... Show more content on Helpwriting.net ... The amount of trade will cause the economy to explode in all of its wealth. This will also increase the quality of life for the Chinese and then they will have more money to spend on imports and as a result the world economy will grow. As you can see here thedam isn't just an energy source it's a gold mine. The water that the Three Gorges Dam contains will also benefit the country. Every year China's monsoons hurt China with massive amounts of flooding. The Three Gorges Dam can hold water back keeping it from flooding and taking lives. In the last flood fewer people died, because of the dam. Three Gorges can also use the water it collected in the floods to help people out during the dry season. The water the dam holds also helps it keep generate electricity even when it doesn't rain for long periods. This way farmers crops won't wither and die. The water the dam holds also helps it keep generate electricity even when it doesn't rain for long periods. So with all the lives Three Gorges could save and the food it can help produce, why wouldn't you want to build it? So more hydroelectric dams will lead to more clean energy, a stronger economy, and it even helps out when nature is at its worst. So why wouldn't you want to build it. Sadly, there are some that argue that the dam would destroy artifacts, and some of the Chinese well–being. Though I really wouldn't worry about the artifacts. The Chinese's government set aside 125 million dollars ... Get more on HelpWriting.net ...
  • 20. Hydroelectric Power Technology and its Effects on the... For centuries, scientists and energy experts from all over the world have been making efforts to look for alternative resources in order to solve human being's energy crisis. Consequently, a great number of renewable energy source have been discovered, including solar power, nuclear power, wind–generated power and hydroelectric power. This essay aims at giving some basic knowledge on hydroelectric power technology with focuses on its impacts on environment. Firstly, a brief introduction of hydroelectricity will be given, followed by some discussions regarding its effects on environment, then a conclusion will be drawn based on the discussions and some recommendations for the future at the end. Hydroelectricity is a renewable energy ... Show more content on Helpwriting.net ... Moreover, it helped reduce carbon dioxide by 190 million tonnes, sulfur dioxide by 2.29 million tonnes, and nitrogen oxides by 980,000 tonnes. (Ramaraochetlapalli 2013). Another advantage of a hydroelectricity water storage dam is that it be used as a source of drinking water and for recreational purposes such as boating and fishing. Reservoirs created by hydroelectric schemes often provide facilities for water sports and become tourist attractions themselves. In some countries, aquaculture in reservoirs is common. Multi–use dams installed for irrigation support agriculture with a relatively constant water supply. Large hydro dams can control floods, which would otherwise affect people living downstream of the project Despite all the advantages of implementing hydroelectric technology, building hydroelectricity dams can be a fetal threat to local wildlife animals. First of all, reservoir water is usually more stagnant than normal river waters; as a result, reservoir will contain higher amounts of nutrients and sediment in which an excess of algae and other aquatic weed can be cultivated. Subsequently, the lives of river animals and plants would be in danger as they can be crowed out by the excessive amount of algae (Cleaning Energy 2013). Therefore, they must be controlled through manual ... Get more on HelpWriting.net ...
  • 21. The Issue With Water Pollution The signs are alarming. We as citizens, business owners, and activists must stand up and make a change to create a more sustainable way of growing our populations and societies. Sustainability needs to become more implemented into the structure of corporations, cities, and countries. China, the most populous country in the world, is projected to have an insufficient supply of water by the year 2025. On top of the shortage of water China is facing they also have a major issue with water pollution. China's freshwater supply is running scarcely low. Three main things that are affecting the water supply in China are; economic growth, population growth, and climate change. China is in the midst of massive economic growth, and while this is good for the country and as they plan to continue to pursue wealth, this uprising is causing the pollution in the water to increase. Companies are moving their manufacturing to China because the cost of labor is much cheaper and the safety policies are much more lenient. This is a very attractive formula for any company that values profit more than people or the planet. Many of these companies also take the easy route when it comes to disposing of their waste in an ecofriendly and social friendly way, causing the issues China faces today with their water pollution and scarcity. Nearly 80% of waste water from waste water treatment plants is disposed of right into the environment, leaving only 20% of waste water actually treated. "A team from ... Get more on HelpWriting.net ...
  • 22. Case Study: Effects Of The Three Gorges Dam) Case study: Effects of hydroelectric dams (3 gorges dam) Introduction/research question: The Three Gorges Dam spans the Yangtze in China. Construction began in 1994. It is the largest hydroelectric dam in the world. So far china has benefited very well economically from renewable energy production and pollution and the burning of fossil fuels has been avoided and this source of energy has become vastly popular. However not everyone is happy with the construction of this dam as it has its benefits and limitations. So was this hydroelectric dam worth building why or why not? Let us find out. Benefits of the 3 gorges dam in China: Flood control, hydroelectric power, and Trade Flood Control: 2,300 years ago, there have been 214 major floods recorded, ... Show more content on Helpwriting.net ... The Three Gorges area of the Yangtze is notorious for dangerous shipping conditions. Thus the controlled level of water and the ship lock system will enable larger ships to travel further inland on the Yangtze and that will be capable of lifting passenger or cargo ships of 3,000. Limitations of the 3 gorges dam: Flooding: Just as we thought the problems of flooding had stopped, the 400 mile long reservoir of the Three Gorges Dam has flooded 13 cities, 140 towns, 1352 villages, and 100,000 acres of China's most fertile farm land. The agriculture areas along the river have produced nearly half the country's total crop production. The farm land lost had provided 40% of China's grain and 70% of rice crops. Farmers that were relocated to the hillsides of the dam have struggled to grow crops, and so far the only viable crop able to be produced on such steep terrain has been oranges. Financing: The United States Export–Bank and the World Bank refused to finance the project because of its disastrous environmental and social consequences such as Water Pollution, Siltation Ecosystem Disruption and Deforestation. In addition the compensation funds amount to 46% of the total project costs for the dam, or $7.15 billion US dollars. In addition to cover the costs they had to look for external funding, which came from the top five investors in the project are Germany, Sweden, Switzerland, Brazil, and
  • 23. ... Get more on HelpWriting.net ...
  • 24. The Belo Monte Dam Complex Essays Hydroelectric dams as energy sources have many advantages; they provide a renewable energy source, it can take the place of fossil fuel usages, and while being built dams can significantly help jobs in the development industry (Perlman). However, these dams are extremely costly, not just economically but environmentally and socially as well. These costs can be demonstrated by looking at the consequences of other dams. Three Gorges in China: release of methane gases, deforestation, water pollution, ecosystem disruption. Glen Canyon Dam: sedimentation, endangerment and extinction of species endemic to the area, poor water quality, crippling of ecosystems downstream–and these are just the environmental impacts! All of these ... Show more content on Helpwriting.net ... The origins of the Belo Monte project heralds from an earlier plan schemed in the 80's that would have a total of seven dams up and down the Xingu River, one of the last open tributaries of Amazon. Then called the KararaГґ Complex, it was opposed and struck down in 1989 by the organization of indigenous and environmental groups that attracted a lot of media coverage ("Brazil's"). At that time the project would have flooded 18,000 square kilometers of land, compared to the 668 square kilometers that will be flooded now. Obviously it would have affected far more than just the indigenous and riverine people of the Xingu River basin, and was easier to oppose due to the little review of the initial project and the fact that the peoples directly affected by it were never consulted before it was approved by the Brazilian government. After the crushing defeat of the KararaГґ Complex the government reworked the entire project and quietly went through all the correct avenues to being approved while simultaneously ignoring injunctions against it ("HistПЊrico"). The Environmental Impact Assessment (EIA) that was required by the government found that the dam would "directly effect" only 1,500 kilometers, and did not consider the indirect impacts of the drying of the 100 kilometer "Big Bend" area that sustains at least three indigenous groups. From there in 2010 the project was approved and privatized to the Norte Energia Consortium Environmentally, the project will lead to ... Get more on HelpWriting.net ...
  • 25. Three Gorges Dam Essay Three Gorges Dam The Three Gorges are known to be a famous tourist attraction for its beautiful scenery, located in northeastern China along the Yangzi River. The Yangzi River runs 3700 miles long, being the third longest river in the world after the Nile and Amazon Rivers. The Qutang Gorge, the Wuxia Gorge, and the Xiling Gorge are the three Yangzi River gorges that make up theThree Gorges. The Three Gorges are not only famous for its scenery, but also its disastrous flooding. Within a century, five major floods have occurred killing over 300,000 people living in cities along the bank of the river. This is due to the constant sediment deposits along the river, causing the river bed to ... Show more content on Helpwriting.net ... Export Import Bank are unwilling to provide financial assistance for the construction of the dam. Therefore, most costs will be depended upon the national energy tax, government bonds, and any other trust funds raised. The dam will produce the energy of 84 billion kilowatt hours per year, which is enough to supply 11–15% of China's energy. Project loans and interest is planned to be paid off by this energy generated in 2–3 years upon completion of the dam. The inexpensive electricity and cheap river transportation is expected to turn this region into an international investment. The Yangzi River acts as a transportation highway for people living along the banks of the river. The reservoir will become a great advantage to those travelling along the river. It will help bring ships inland, allowing about 50 million tonnes of extra freight to be transported along the river each year. The project will "reduce freight costs and facilitate trade in the area."[4] Many people have criticised the actual value of the dam. People have claimed that coal supply has kept pace with China's development, keeping energy prices low; the dam is unnecessary since "electricity prices will remain so low that the project will never pay for itself."[5] Some have also complained that the dam will destroy the Yangzi scenery, which would result in less revenue ... Get more on HelpWriting.net ...
  • 26. The Hoover Dam and Its Construction Essay Outside of China, the United States is the most–dammed country on the planet. Counting only dams taller than fifty feet high, the U.S. has some 5,000 dams that range from giant hydroelectric dams such as the Grand Coulee in Washington State to flood control dams in the southeast and dams that provide water for irrigation in California. Overall the United States has as many as 2.5 million dams of one sort or another. The design and construction of many of these dams took place between 1930 and 1975. This 45 years period is known as the golden age of dam building, starting with the construction of the Hoover Dam beginning in 1931. By the 1970s the golden age of dam construction began to come to an end with increased concerns ... Show more content on Helpwriting.net ... Since the dam was located in such a remote location roads and railways had to be built to bring the workers and materials to the site. Boulder City, a camp was also built to house the thousands of workers. Before the construction of Hoover Dam even began Six Companies, Inc. had received over 2,400 job applications and more than 12,000 letters of inquiry from job seekers. Many men arrived with all of their possessions and their families ready to begin a new life in the desert. Many of these people were forced to wait and live in tent communities and shantytowns around Las Vegas. This created very poor living conditions where more than 25 workers and family members died of heat prostration between June and July of 1931. Fortunately the U.S. government anticipated this problem and had already created plans to build a modern city, known as Boulder City, to house the workers and their families near the site of Hoover Dam. To the surprise of both the government and Six Companies, Inc. Boulder City turned into a community. Churches, a school, a newspaper, and a library were all built in Boulder City making it a model community [iii]. Before construction of the actual dam could take place the Colorado River first had to be diverted, this was done by tunneling four huge diversion tunnels through the bedrock of Black Canyon. These tunnels were 56 feet in diameter, 4,000 feet long, and ... Get more on HelpWriting.net ...
  • 27. Advantages And Disadvantages Of Small Hydropower The specific purpose of my report is to investigate possible solutions to provide clean, low cost and efficient electricity for remote areas, specifically by small hydro power. The mechanical power of water is used 2000 years ago by the Greek for rotating wheels to grind wheat to flour. It develops throw–out the years by replacing the wheels by turbines that allowed people to produce electricity from mechanical power. However, the large scale of using hydro power have had many negative effects on the environment that surrounding thehydropower plants by constructing dams and population replacement causing damage to environmental systems over the globe, and not provide ideal solution for population in remote areas. The solution is now available with ... Show more content on Helpwriting.net ... 1– Low cost. Small hydropower depends on the site where it are constructed and the technologies that are used, so its range is between 1000 dollars to 20,000. The simple equipment and the maintenance fees also make the small hydropower reliable for low income countries in comparison with large hydro power( "Micro", 2006). 2– For remote areas. Small hydro is important in remote area application and communities who do not have electricity for several years to come. Small hydro easy to operate, it is suitable to support local population, even stand as a dependent source of electricity for remote area (Puranik, n.d.). Future of Small hydro power. The size energy of water theoretically is 4 times than the exploited energy at current time. The environmental and economic concerns are the two factors behind the lower number of actual size (Baird, 2006, p3). This will open the opportunities to in front of the small hydropower to be developed more and more with its low environmental impacts and low cost constructions. As research indicates and new technology increases the efficiency of low head turbines, small hydro power will increase in the future (Fig 17).
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  • 29. The Benefits of Hydroelectric Energy Essay Hydroelectric Energy What is Hydroelectric energy? Hydroelectric is a form of energy it is a renewable resource. Hydroelectricity is the most important and widely used renewable source of energy. Hydroelectric relies on water, which is clean and renewable energy source. Renewable energy comes from natural resources. Non–Renewable energy source includes coal, oil and natural gas. Water is renewable because water continually recycles itself. To harness energy from flowing water, the water must be controlled; a large reservoir is created, usually by damming a river to create an artificial lake or reservoir. Water is channeled through tunnels in the dam. The energy of water flowing through the dam causes the turbines to turn and make the ... Show more content on Helpwriting.net ... Its powers most of the building like homes, hospitals, schools, factories and etc. Hydroelectricity comes in a human cost. The huge damn that required for hydroelectric energy projects create a reservoir that floods an entire valley. Like homes, communities, and towns that may have to relocate as a dam construction begins. However, the projects to make a hydroelectric power generator has forced more than millions of people to relocate. Lifestyles were disputed. We don't have to burn fuels to cause pollution... pollution free. Hydroelectric developments don't generate toxic by–products. With an average lifetime of 50 to 100 years, hydroelectricity developments are a long term. It can easily be upgraded to incorporate more recent technologies and have very low operating and maintenance cost. Dams are designed to last decades and so can so contribute to the generation of electricity for many years and decades. Hydroelectricity is the cheapest way to provide energy. Once a dam is constructed, electricity can be produced at a constant rate. Large dams can be useful for flood control. It's a clean energy source. It does not produce green house gases. When a hydroelectricity water storage dam is built, the water can be used as drinking water and also a recreational purpose such as fishing and boating. Dams saves and reserves water so that it is not wasted into oceans and seas. Controllable source of ... Get more on HelpWriting.net ...
  • 30. Hoover Dam Research Paper Hoover Dam Dieu Nguyen English 108, Section 16285 July 8, 2015 Mrs. Patricia Pullenza Outline I.Introduction II.History of Hoover Dam III.Construction's Challenges A. The Great Depression B. Moving the Colorado River IV.Hoover Dam's Negative Effects A. Riverbed Lowering B. Greenhouse Gases Ejecting C. Ecosystem Destroying D. Problems with the water V.Conclusion Hoover Dam, one of the largest dams in the world, is located on the border between the U.S states of Arizona and Nevada, in the southwestern United States. Hoover Dam was constructed between 1931 and 1936, and it took more than 100 lives during building the construction. The dam was controversially named after President Herbert Hoover, the ... Show more content on Helpwriting.net ... At that time, there were no roads into Black Canyon, so initially, dam workers and equipment had to be brought by boat. Over time, roads were built and catwalks were stretched across the river. Carving the diversion tunnels was a slow, tedious process that exposed dam workers to immense danger from blasting, falling rocks and diesel gas fumes spewed by the trucks that carried out blasting debris. Compressed air was circulated into the tunnels through large pipes. However, despite the difficulties, through intramural competition of the crew shifts, the tunnels would be completed almost a year early. According to Lesley DuTemple in The Hoover Dam, "The most spectacular and dangerous job of all belonged to the high scalers. These workers cleared loose rocks from the canyon walls. While scalers worked primarily in the tunnels, the high scalers dangled on ropes, hundreds of feet above the canyon floor" (47) because the tunnel must be checked for loose rocks in the tunnel walls. The diversion tunnels were lined with intricate forms for concrete lining. Initially a base of concrete was poured. The sidewalls were then poured into moveable sections of steel form and rail directed cranes were used to place the concrete. Lesley DuTemple in The Hoover Dam said, "To pour the concrete, curved wooden molds were constructed 3 feet out from the tunnel walls."
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  • 32. Advantages Of The Three Gorges Dam Three Gorges Dam Introduction: The Three Gorges Dam is the largest hydroelectric dam in the world. It costs over 39 USD billion to build. The Three Gorges Dam is a hydroelectric dam that traverses the Yangtze River by the town, Sandouping Yichang Hubei in china. The Three Gorges Dam is the world's biggest power station. The Dam is fit for producing 22,500 Megawatt and this a world record. Development of the Dam started in December 14, 1994 and the Dam venture was finished and completely utilitarian in July 4, 2012. The Three Gorges Dam was worked to control flooding of the Yangtze River and create control. Yangtze River is 6,300km long. Flooding used to be a noteworthy issue for the Yangtze River, with a huge number of individuals living downstream of the dam in extensive urban communities like; Wuhan, Nanjing and Shanghai. This made a monstrous manufactured lake which has turned into a worldwide vacation. Advantages of the Dam: Flood control Controlling surge is a standout amongst the hugest elements of the Three Gorges Dam Power generation As the world's biggest power station of ... Show more content on Helpwriting.net ... The dam additionally produces hydroelectric power for China. Prior to the Dam was constructed they needed to transport coal, oil and gas to create control for China which is unsafe for the earth. While transporting the products, the merchandise would fall into the stream and damage the creatures living in the Yangtze River. There are different reasons why the biodiversity wasn't there any longer, in light of the fact that keeping in mind the end goal to manufacture the dam the encompassing scene has changed a considerable measure, which make issues atmosphere weakened, plant and natural life began vanishing likewise recorded relics have been ... Get more on HelpWriting.net ...
  • 33. San Joaquin River Restoration Paper People predict things all the time. The question to ask is do their predictions come true? The San Joaquin River Restoration project had Bill McEwen and Daniel Weintraub predicting what would happen within the years of this restoration. What is intriguing to know is if their prediction came true. If they did come true was it for better or for worse? An important concept of this restoration project is the funding that went into it. "... Our federal and state governments will spend hundreds of millions– if not billions of dollars in coming years..." ( McEween 2009) In the article 'River Plan Too Fishy for my Taste Buds' Bill McEween predicted that our government would have spent "millions– if not billions of dollars" for this restoration project. The question to ask is did this prediction came true? " Since the restoration project began in 2009, it has been plagued by missed deadlines, a failure of fulfill coequal goals that include... a price tag that has ballooned to $1.5 billion." ( The Editorial Board ... Show more content on Helpwriting.net ... " When the chinook salmon come back to the San Joaquin River it will be a miracle." (Weintraub 2009) In the article 'River Restoration Project Offers a Sprinkling of Hope' Daniel Weintraub expresses that he does not believe that the salmon will come back to the San Joaquin River. Now the interesting thing to know is if after six years where Weintraub's beliefs accurate? "If it isn't already a warm–water fishery, it will be soon. In the midst of global warming, trying to expand that range of salon– instead of saving them where they are– is a fool's errand." (The Editorial Board 2015) The Editorial Board explains that after six years the salmon still haven't returned, and they won't return because of global warming. It is better to save the salmon where they are now instead of trying to have them return to a place where we won't know if they will ... Get more on HelpWriting.net ...
  • 34. Renewable Energy Sources For Clean Energy As of right now China is the leader in clean energy usage. They have been dramatically increasing their spending on clean/renewable energy source such as wind turbines, solar–photovoltaic cells, and water turbines. This rise of renewable and clean energy in china has come with a hefty price. China has spent almost $500 billion on renewable energy sources. With this increase of clean energy China is also reducing their use of coal and trying to get more coal plants to clean the coal so that there will not be as many pollutant coming from the plants. China has made a plan for all this to be possible, it will span over 5 years and it is planned to cause 20% of all energy used to be from renewable energy sources. Because of Chinas determined plan to make a big change in clean/renewable energy they have become the leader in clean and renewable energy usage, over doubling the amount of energy the US has produced from renewable energy sources. One very controversial aspect to the use of these renewable energy sources is how they are changing the landscapes and some even displacing animals and humans form their homes. One example of this is the Three Gorges Dam, a hydroelectric dam that reaches across the Yangtze River. The dam is located near the town of Sandouping in the Hubei province. When the dam was being built China had to relocate over 1.24 million people because the water that would be blocked from flowing down the river would rise and flood many of the towns by the river. ... Get more on HelpWriting.net ...
  • 35. Renewable Sources Of Energy As Being Sustainable.it This essay seeks to identify a number of challenges which are encountered when trying to identify what a sustainable source of energy is. To do this, it first briefly states ways in which the term 'sustainable energy' has been interpreted by various bodies and individuals and ways in which people seek to identify an energy source which is 'truly' sustainable. This essay seeks to point out the flaw in classifying all renewable sources of energy as being sustainable.It will achieve this by comparing two energy related projects, proving how sustainable a non–renewable source can be and vice versa. Lastly, it will prove ways in which different people's misconceptions can affect further progress with these energy related projects. A number of suitable definitions of sustainable energy run through this essay. Sustainable Energy has been defined as; 'A living harmony between the equitable availability of energy services to all people and the preservation of the earth for future generations'(Tester, Drake, Driscoll, Golay, & Peters, 2005). This from my own point of view is the most accurate definition by far. Pointedly, it is in contrast with a number of definitions; for example this one by Denzil Walton stating that; Sustainable energy is regarded as the system of producing, transporting, distributing and consuming energy in a way that promotes a reduction in the rate of consumption of non–renewable resources which lead to environmental degradation while providing at socially ... Get more on HelpWriting.net ...
  • 36. Essay on Project Management, The Building Of The Three... 1.Introduction The Three Gorges Dam on the Yangtze River will probably be finished by 2009 and will be the largest hydroelectric dam in the world. Being the present manager and being appointed by the government at the feasibility stage I am asked to write a report in order to outline the activities required to successfully manage this major project and to ensure that it is completed on time and within budget. This report will be divided into six parts beginning with an introduction and ending with a conclusion. At first should the terminology be defined. A project is "a unique set of coordinated activities, with a definite start and finishing point, undertaken by an individual or organisation to meet specific objectives within... Show more content on Helpwriting.net ... My report is based on the project life cycle from Field and Keller. 2.Define In the define phase proposals are formulated, estimated and tested for feasibility. The results will be presented to the senior management in order to receive a "go" for the project which often is in the form of a contract. The main objectives of the TGD are: В•Protection against floods В•Making the Yangtze River navigable В•Leading the water into dry regions В•Generation of energy В•Supporting the economic and regional development of the provinces 2.1.Requirements analysis Geological conditions The relevance is given as we need an adequate material to build the dam as well as enough water to achieve a water level and finally to maintain that level. It also should be thought about a solution for the silt coming down the river in order to keep on getting a clear flush. Ecological environment issues They include the dying of various animals and seldom fish species. The landscape around the dam could be damaged to a great extend due to the rise of the Yangtze water level. Drainage outlet could occur and therefore some of the surrounding land–scape will be flooded. Resettlement issues As described in point 2 the water level will rise and a water basin will be created. The people who live in the effected area need to be resettled as their houses will be flooded. Every task ... Get more on HelpWriting.net ...
  • 37. Hydro-Electric Dams Are an Environmental Disaster Essay Almost, everything runs with electricity, dams are what produce most of this electricity. Hydro–electric dams are very essential nowadays as they massively supply electricity to the world. Some people believe that hydro–electric dams are not environmentally friendly, hydro–electricity is produced by water. Canada is ranked second in the production of hydro–electricity (Hydroelectricity Energy), the hydro–electric dams produce 59% of Canada's energy (Trading Economies).There are over 933 large hydro–electricity dams in Canada. Quebec consists of most of these dams where they have around 333 large hydro–electric dams (Water–How we use it). A hydro–electric dam pulls water from rivers close by decreasing water levels which increases the risk ... Show more content on Helpwriting.net ... Canada relies highly on hydroelectricity as it is there major electricity producer, they should not rely on these dams because they will start increasing extinction rate for fish species. Most of Canada's fish population may become extinct if they continue the use of these dams non–environmental dams. Furthermore, hydro–electric dams are not an environmentally responsible source of generating energy because when they are built, a vast swath of land must be used, resulting in displacement of local people. The amount of land needed to build a dam is large which will displace many people. When the Three Gorges Dam project was approved, it forced over 1.4 million people to relocate (Business Insider). The Three Gorges Dam needed to be a large dam because of the growing energy needs in China. This would require vast areas of land and so the amount of people relocating increased due to the dam because of the flooding a dam can cause (Business Insider). In addition, many people will have to relocate due to the vast amount needed to create a dam. The Manwan dam project caused over 3,000 local people to leave their homes (Hori, 206,207). The dam had to have large dimensions for it to produce a large amount of electricity. The dimensions of the dam were too big, resulting in relocation. The people relocated due to the high waters it has stored and the flooding it can cause (Hori, 206–207). Thus, building hydro–electric dams will displace large amounts of people from their ... Get more on HelpWriting.net ...
  • 38. 3 Gorges Dam Essay 1. Historical Implications: Why was the building of the dam first proposed in 1919 and by whom? Answer: It was proposed by Dr. Sun Yat –sen, pioneer of the Chinese democratic revolution, to harness the energy of the Yangtze River. 2 . Historical Implications: Why have archaeologists and historians criticized the building of the Three Gorges Dam? Answer: the Three Gorges Dam because it flooded and destroyed a large number of important cultural and archaeological sites. The dam has caused a lot of ecological changes and approximately 1.3 million people had to move because of the creation of this dam. 3. Governmental Implications: What has been the unfortunate response of local government officials assigned to help families affected by the construction ... Show more content on Helpwriting.net ... Governmental Implications: How has government corruption impacted safety? Answer: Because many things were not built well which led to it collapsing andharming many people. 5. Energy Implications: Why did China believe the building of the Three Gorges Dam was an absolute necessity in terms of energy production? Answer: The Yangtze used to flood every year wiping out mountainside villages, you can see this throughout Chinese history. Hundreds of thousands died during the dynastic era due to flooding. The dam allowed China to regulate water flow and harness it for energy. It also was part of the government efforts to redirect water flow to drought stricken areas. 6. Energy Implications: Compare the energy production of the Three Gorges Dam to the Hoover Dam. Although China believed the Dam would provide the nation with 10% of its power needs, what is the current amount of power it actually is supplying? Answer: China thought that the Three Gorges Dam would provide 10 percent of China's total energy needs. During the years of construction, the population МЃs demand of energy has reduced that number to 3 percent. The Hoover Dam produces, on average, about 4 billion kilowatt–hours of hydroelectric power each year for use in Nevada, Arizona, ... Get more on HelpWriting.net ...
  • 39. Three Gorges Dam Should the Three Gorges Dam Been Built? Dear President Hu Jintao, I am writing to you today to explain what the Three Gorges Dam is, why it is needed, the social, environmental and economic advantages and disadvantages and whether should it have been built? Firstly the Three Gorges Dam is a hydroelectric dam that spans the Yangtze River by the town of Sandouping, located in Yiling District, Yichang, Hubei province, China. The Three Gorges Dam is the world's largest power station in terms of installed capacity it can create up to 22,500 MW enough to power New York for 10 years. In 2012, the amount of electricity the dam generated was similar to the amount generated by the Itaipu Dam. This is the world's largest dam as is located in ... Show more content on Helpwriting.net ... The top five investors in the project are Germany, Sweden, Switzerland, Brazil, and Canada. All are part of the Organization for Economic and Co–operative Development, membership of which requires the agreement to the Guidelines for Multinational Enterprises to "respect the human rights of those affected by their activities" . Over 10 million Chinese have been relocated by dam–related projects throughout China's history, 46% of them living in extreme poverty. Of the 1.2 million relocated so far by the Three Gorges Dam, 500,000 are peasant farmers, many of whom earn just 1/3 of the World Bank poverty level of $1 per day. The resetllers were not offered substantial compensation to cover the cost of new housing. Most were moved into to urban centres near Chongqing, or into the new cities built specifically for relocation, on steep unstable slopes that have now been determined unfit for development or farming************** Even though the Three Gorges Dam produces electricity for nearly the whole of china's population I still do not believe that it should have been built. Despite the fact that the dam helped reduce pollution of the air because 1–4 coal power stations were being built and the dam help reduce that the impacts on the environment, people, and just the cost of the dam it would have probably been better to keep building coal power stations. I believe this because nearly 1.2 ... Get more on HelpWriting.net ...
  • 40. In his 2006 film, Still Life, Jia Zhangke creates an... In his 2006 film, Still Life, Jia Zhangke creates an enigmatic case study of alienation and displacement. Through the use of space, both literal and figurative, and long, extended takes that expand the perception of time Zhangke tells the story of a people who are victims of their own environment. What is perhaps most striking of the film, beyond even the existential and political undertones, is the division drawn between the cold and demonstrative attitude the government adopts towards its citizens and the warm, caring daily interactions between the people themselves. The film opens with the protagonist, Han Sanming, arriving to the city of Fengjie in a fashion almost as languid as the boat ride there. The story follows a narrative,... Show more content on Helpwriting.net ... In the final scene of the movie Han informs the others of his decision to return to his home in Shanxi and work in the coal mines until he can repay the debt that keeps his daughter bound to her employer. Upon hearing the news his fellow workmen share a pack of cigarettes and drink to his safety and good fortune, as well as making a pact that they will follow Han to Shanxi and work alongside him in the mines. The scene is perhaps dry and longwinded, but the emotional recourse is so powerful that it warrants a simple aesthetic to balance the tone of the story with the mood it instills upon the audience. The fact that such camaraderie can arise in a world of detachment and enmity brings the closure that Zhangke has slowly and brilliantly steered the audience towards since the beginning of the film. Compared to the heartfelt bond that Han shares with his co–workers, the relationship of the government with its people is a stark alliance that extends to the opposite end of the emotional spectrum. The public dissatisfaction with national policy is summed up in the simple image of the Chinese character for 'destroy' placed by government officials on particular buildings without the consent of the people. The white paint almost emanates from the rust and corrosion of the homes it is placed upon and the response of those afflicted are just as harsh. The people shout and plead with government officials, but are only met with apathy and ... Get more on HelpWriting.net ...
  • 41. Three Gorges Dam Essay Traditionally, environmental management has been considered in the light of knowing the best technological solution. A significant case study representing a technological solution to environmental management is the Three Gorges Dam (TGD) on the Yangtze River in China. The dam has two principal management purposes. These are; to provide energy sourced by more renewable means than coal burning alternatives, to meet rising demands, as well as reduce flooding of the Yangtze River. Following a deeper introduction of the TGD case study, four primary perspectives will be used to assess the environmental management outcomes and approaches. First the social implications and any gains of the project, including the issues of social injustice and lack ... Show more content on Helpwriting.net ... The environmental management aims of the dam were to reduce flooding of the river, as well as shifting the nation from heavy coal–dependency to more renewably sourced energy to meet expanding requirements in China. Thus maintaining to expand the energy industry and output for use in a growing society, whilst considering the finite limit and emission impacts of coal and other fossil fuels. To meet these goals, the TGD was constructed to become the world's largest hydroelectric dam. The Yangtze River on which it built is the world's third largest river; being the largest in China (Cai et al., 2013). The Yangtze River Basin (including tributaries) involves 20% of the area of China; resultantly being large enough to heavily impact surrounding ecosystems, the water cycle and energy balance (Li et al., 2011). Construction of the dam commenced in 1993 and ended in 2009, with the final construction having a storage capacity of 3.93x1010m3 (Zhou et al., 2014). Partial operation of the dam commenced from 2003 and full operation from 2009 (Cai et al., 2013). Studies have been comprehensively conducted to argue that this technological solution has not led to good management of the environment; as evidenced from both social and environmental impacts, as well as investigations into the overweighing benefits people management would have had. From a societal perspective, the Three Gorges Dam (TGD) project has ultimately ... Get more on HelpWriting.net ...